Edit
kc3-lang/angle/src/libGLESv2/libGLESv2.cpp
Branch :
-
Show log
Commit
-
Author :
daniel@transgaming.com
Date : 2011-03-21 16:38:20
Hash : 8a0a2db7
Message : InternalFormat and format are the same. TRAC #15703 Issue=86 Signed-off-by: Daniel Koch Author: Nicolas Capens git-svn-id: https://angleproject.googlecode.com/svn/trunk@580 736b8ea6-26fd-11df-bfd4-992fa37f6226
- src/libGLESv2/libGLESv2.cpp
-
// // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // // libGLESv2.cpp: Implements the exported OpenGL ES 2.0 functions. #define GL_APICALL #include <GLES2/gl2.h> #include <GLES2/gl2ext.h> #include <exception> #include <limits> #include "common/debug.h" #include "common/version.h" #include "libGLESv2/main.h" #include "libGLESv2/mathutil.h" #include "libGLESv2/utilities.h" #include "libGLESv2/Buffer.h" #include "libGLESv2/Context.h" #include "libGLESv2/Fence.h" #include "libGLESv2/Framebuffer.h" #include "libGLESv2/Program.h" #include "libGLESv2/Renderbuffer.h" #include "libGLESv2/Shader.h" #include "libGLESv2/Texture.h" extern "C" { void __stdcall glActiveTexture(GLenum texture) { EVENT("(GLenum texture = 0x%X)", texture); try { if (texture < GL_TEXTURE0 || texture > GL_TEXTURE0 + gl::MAX_TEXTURE_IMAGE_UNITS - 1) { return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); if (context) { context->setActiveSampler(texture - GL_TEXTURE0); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glAttachShader(GLuint program, GLuint shader) { EVENT("(GLuint program = %d, GLuint shader = %d)", program, shader); try { gl::Context *context = gl::getContext(); if (context) { gl::Program *programObject = context->getProgram(program); gl::Shader *shaderObject = context->getShader(shader); if (!programObject) { if (context->getShader(program)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } if (!shaderObject) { if (context->getProgram(shader)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } if (!programObject->attachShader(shaderObject)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glBindAttribLocation(GLuint program, GLuint index, const GLchar* name) { EVENT("(GLuint program = %d, GLuint index = %d, const GLchar* name = 0x%0.8p)", program, index, name); try { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { gl::Program *programObject = context->getProgram(program); if (!programObject) { if (context->getShader(program)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } if (strncmp(name, "gl_", 3) == 0) { return error(GL_INVALID_OPERATION); } programObject->bindAttributeLocation(index, name); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glBindBuffer(GLenum target, GLuint buffer) { EVENT("(GLenum target = 0x%X, GLuint buffer = %d)", target, buffer); try { gl::Context *context = gl::getContext(); if (context) { switch (target) { case GL_ARRAY_BUFFER: context->bindArrayBuffer(buffer); return; case GL_ELEMENT_ARRAY_BUFFER: context->bindElementArrayBuffer(buffer); return; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glBindFramebuffer(GLenum target, GLuint framebuffer) { EVENT("(GLenum target = 0x%X, GLuint framebuffer = %d)", target, framebuffer); try { if (target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE) { return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); if (context) { if (target == GL_READ_FRAMEBUFFER_ANGLE || target == GL_FRAMEBUFFER) { context->bindReadFramebuffer(framebuffer); } if (target == GL_DRAW_FRAMEBUFFER_ANGLE || target == GL_FRAMEBUFFER) { context->bindDrawFramebuffer(framebuffer); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glBindRenderbuffer(GLenum target, GLuint renderbuffer) { EVENT("(GLenum target = 0x%X, GLuint renderbuffer = %d)", target, renderbuffer); try { if (target != GL_RENDERBUFFER) { return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); if (context) { context->bindRenderbuffer(renderbuffer); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glBindTexture(GLenum target, GLuint texture) { EVENT("(GLenum target = 0x%X, GLuint texture = %d)", target, texture); try { gl::Context *context = gl::getContext(); if (context) { gl::Texture *textureObject = context->getTexture(texture); if (textureObject && textureObject->getTarget() != target && texture != 0) { return error(GL_INVALID_OPERATION); } switch (target) { case GL_TEXTURE_2D: context->bindTexture2D(texture); return; case GL_TEXTURE_CUBE_MAP: context->bindTextureCubeMap(texture); return; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glBlendColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) { EVENT("(GLclampf red = %f, GLclampf green = %f, GLclampf blue = %f, GLclampf alpha = %f)", red, green, blue, alpha); try { gl::Context* context = gl::getContext(); if (context) { context->setBlendColor(gl::clamp01(red), gl::clamp01(green), gl::clamp01(blue), gl::clamp01(alpha)); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glBlendEquation(GLenum mode) { glBlendEquationSeparate(mode, mode); } void __stdcall glBlendEquationSeparate(GLenum modeRGB, GLenum modeAlpha) { EVENT("(GLenum modeRGB = 0x%X, GLenum modeAlpha = 0x%X)", modeRGB, modeAlpha); try { switch (modeRGB) { case GL_FUNC_ADD: case GL_FUNC_SUBTRACT: case GL_FUNC_REVERSE_SUBTRACT: break; default: return error(GL_INVALID_ENUM); } switch (modeAlpha) { case GL_FUNC_ADD: case GL_FUNC_SUBTRACT: case GL_FUNC_REVERSE_SUBTRACT: break; default: return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); if (context) { context->setBlendEquation(modeRGB, modeAlpha); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glBlendFunc(GLenum sfactor, GLenum dfactor) { glBlendFuncSeparate(sfactor, dfactor, sfactor, dfactor); } void __stdcall glBlendFuncSeparate(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha) { EVENT("(GLenum srcRGB = 0x%X, GLenum dstRGB = 0x%X, GLenum srcAlpha = 0x%X, GLenum dstAlpha = 0x%X)", srcRGB, dstRGB, srcAlpha, dstAlpha); try { switch (srcRGB) { case GL_ZERO: case GL_ONE: case GL_SRC_COLOR: case GL_ONE_MINUS_SRC_COLOR: case GL_DST_COLOR: case GL_ONE_MINUS_DST_COLOR: case GL_SRC_ALPHA: case GL_ONE_MINUS_SRC_ALPHA: case GL_DST_ALPHA: case GL_ONE_MINUS_DST_ALPHA: case GL_CONSTANT_COLOR: case GL_ONE_MINUS_CONSTANT_COLOR: case GL_CONSTANT_ALPHA: case GL_ONE_MINUS_CONSTANT_ALPHA: case GL_SRC_ALPHA_SATURATE: break; default: return error(GL_INVALID_ENUM); } switch (dstRGB) { case GL_ZERO: case GL_ONE: case GL_SRC_COLOR: case GL_ONE_MINUS_SRC_COLOR: case GL_DST_COLOR: case GL_ONE_MINUS_DST_COLOR: case GL_SRC_ALPHA: case GL_ONE_MINUS_SRC_ALPHA: case GL_DST_ALPHA: case GL_ONE_MINUS_DST_ALPHA: case GL_CONSTANT_COLOR: case GL_ONE_MINUS_CONSTANT_COLOR: case GL_CONSTANT_ALPHA: case GL_ONE_MINUS_CONSTANT_ALPHA: break; default: return error(GL_INVALID_ENUM); } switch (srcAlpha) { case GL_ZERO: case GL_ONE: case GL_SRC_COLOR: case GL_ONE_MINUS_SRC_COLOR: case GL_DST_COLOR: case GL_ONE_MINUS_DST_COLOR: case GL_SRC_ALPHA: case GL_ONE_MINUS_SRC_ALPHA: case GL_DST_ALPHA: case GL_ONE_MINUS_DST_ALPHA: case GL_CONSTANT_COLOR: case GL_ONE_MINUS_CONSTANT_COLOR: case GL_CONSTANT_ALPHA: case GL_ONE_MINUS_CONSTANT_ALPHA: case GL_SRC_ALPHA_SATURATE: break; default: return error(GL_INVALID_ENUM); } switch (dstAlpha) { case GL_ZERO: case GL_ONE: case GL_SRC_COLOR: case GL_ONE_MINUS_SRC_COLOR: case GL_DST_COLOR: case GL_ONE_MINUS_DST_COLOR: case GL_SRC_ALPHA: case GL_ONE_MINUS_SRC_ALPHA: case GL_DST_ALPHA: case GL_ONE_MINUS_DST_ALPHA: case GL_CONSTANT_COLOR: case GL_ONE_MINUS_CONSTANT_COLOR: case GL_CONSTANT_ALPHA: case GL_ONE_MINUS_CONSTANT_ALPHA: break; default: return error(GL_INVALID_ENUM); } bool constantColorUsed = (srcRGB == GL_CONSTANT_COLOR || srcRGB == GL_ONE_MINUS_CONSTANT_COLOR || dstRGB == GL_CONSTANT_COLOR || dstRGB == GL_ONE_MINUS_CONSTANT_COLOR); bool constantAlphaUsed = (srcRGB == GL_CONSTANT_ALPHA || srcRGB == GL_ONE_MINUS_CONSTANT_ALPHA || dstRGB == GL_CONSTANT_ALPHA || dstRGB == GL_ONE_MINUS_CONSTANT_ALPHA); if (constantColorUsed && constantAlphaUsed) { ERR("Simultaneous use of GL_CONSTANT_ALPHA/GL_ONE_MINUS_CONSTANT_ALPHA and GL_CONSTANT_COLOR/GL_ONE_MINUS_CONSTANT_COLOR invalid under WebGL"); return error(GL_INVALID_OPERATION); } gl::Context *context = gl::getContext(); if (context) { context->setBlendFactors(srcRGB, dstRGB, srcAlpha, dstAlpha); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glBufferData(GLenum target, GLsizeiptr size, const GLvoid* data, GLenum usage) { EVENT("(GLenum target = 0x%X, GLsizeiptr size = %d, const GLvoid* data = 0x%0.8p, GLenum usage = %d)", target, size, data, usage); try { if (size < 0) { return error(GL_INVALID_VALUE); } switch (usage) { case GL_STREAM_DRAW: case GL_STATIC_DRAW: case GL_DYNAMIC_DRAW: break; default: return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); if (context) { gl::Buffer *buffer; switch (target) { case GL_ARRAY_BUFFER: buffer = context->getArrayBuffer(); break; case GL_ELEMENT_ARRAY_BUFFER: buffer = context->getElementArrayBuffer(); break; default: return error(GL_INVALID_ENUM); } if (!buffer) { return error(GL_INVALID_OPERATION); } buffer->bufferData(data, size, usage); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glBufferSubData(GLenum target, GLintptr offset, GLsizeiptr size, const GLvoid* data) { EVENT("(GLenum target = 0x%X, GLintptr offset = %d, GLsizeiptr size = %d, const GLvoid* data = 0x%0.8p)", target, offset, size, data); try { if (size < 0 || offset < 0) { return error(GL_INVALID_VALUE); } if (data == NULL) { return; } gl::Context *context = gl::getContext(); if (context) { gl::Buffer *buffer; switch (target) { case GL_ARRAY_BUFFER: buffer = context->getArrayBuffer(); break; case GL_ELEMENT_ARRAY_BUFFER: buffer = context->getElementArrayBuffer(); break; default: return error(GL_INVALID_ENUM); } if (!buffer) { return error(GL_INVALID_OPERATION); } if ((size_t)size + offset > buffer->size()) { return error(GL_INVALID_VALUE); } buffer->bufferSubData(data, size, offset); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } GLenum __stdcall glCheckFramebufferStatus(GLenum target) { EVENT("(GLenum target = 0x%X)", target); try { if (target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE) { return error(GL_INVALID_ENUM, 0); } gl::Context *context = gl::getContext(); if (context) { gl::Framebuffer *framebuffer = NULL; if (target == GL_READ_FRAMEBUFFER_ANGLE) { framebuffer = context->getReadFramebuffer(); } else { framebuffer = context->getDrawFramebuffer(); } return framebuffer->completeness(); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, 0); } return 0; } void __stdcall glClear(GLbitfield mask) { EVENT("(GLbitfield mask = %X)", mask); try { gl::Context *context = gl::getContext(); if (context) { context->clear(mask); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glClearColor(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha) { EVENT("(GLclampf red = %f, GLclampf green = %f, GLclampf blue = %f, GLclampf alpha = %f)", red, green, blue, alpha); try { gl::Context *context = gl::getContext(); if (context) { context->setClearColor(red, green, blue, alpha); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glClearDepthf(GLclampf depth) { EVENT("(GLclampf depth = %f)", depth); try { gl::Context *context = gl::getContext(); if (context) { context->setClearDepth(depth); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glClearStencil(GLint s) { EVENT("(GLint s = %d)", s); try { gl::Context *context = gl::getContext(); if (context) { context->setClearStencil(s); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glColorMask(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha) { EVENT("(GLboolean red = %d, GLboolean green = %d, GLboolean blue = %d, GLboolean alpha = %d)", red, green, blue, alpha); try { gl::Context *context = gl::getContext(); if (context) { context->setColorMask(red == GL_TRUE, green == GL_TRUE, blue == GL_TRUE, alpha == GL_TRUE); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glCompileShader(GLuint shader) { EVENT("(GLuint shader = %d)", shader); try { gl::Context *context = gl::getContext(); if (context) { gl::Shader *shaderObject = context->getShader(shader); if (!shaderObject) { if (context->getProgram(shader)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } shaderObject->compile(); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glCompressedTexImage2D(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLsizei imageSize, const GLvoid* data) { EVENT("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, GLsizei width = %d, " "GLsizei height = %d, GLint border = %d, GLsizei imageSize = %d, const GLvoid* data = 0x%0.8p)", target, level, internalformat, width, height, border, imageSize, data); try { if (level < 0) { return error(GL_INVALID_VALUE); } if (width < 0 || height < 0 || (level > 0 && !gl::isPow2(width)) || (level > 0 && !gl::isPow2(height)) || border != 0 || imageSize < 0) { return error(GL_INVALID_VALUE); } switch (internalformat) { case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: break; default: return error(GL_INVALID_ENUM); } if (border != 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { if (level > context->getMaximumTextureLevel()) { return error(GL_INVALID_VALUE); } switch (target) { case GL_TEXTURE_2D: if (width > (context->getMaximumTextureDimension() >> level) || height > (context->getMaximumTextureDimension() >> level)) { return error(GL_INVALID_VALUE); } break; case GL_TEXTURE_CUBE_MAP_POSITIVE_X: case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: if (width != height) { return error(GL_INVALID_VALUE); } if (width > (context->getMaximumCubeTextureDimension() >> level) || height > (context->getMaximumCubeTextureDimension() >> level)) { return error(GL_INVALID_VALUE); } break; default: return error(GL_INVALID_ENUM); } if (!context->supportsCompressedTextures()) { return error(GL_INVALID_ENUM); // in this case, it's as though the internal format switch failed } if (imageSize != gl::ComputeCompressedSize(width, height, internalformat)) { return error(GL_INVALID_VALUE); } if (target == GL_TEXTURE_2D) { gl::Texture2D *texture = context->getTexture2D(); if (!texture) { return error(GL_INVALID_OPERATION); } texture->setCompressedImage(level, internalformat, width, height, imageSize, data); } else { gl::TextureCubeMap *texture = context->getTextureCubeMap(); if (!texture) { return error(GL_INVALID_OPERATION); } switch (target) { case GL_TEXTURE_CUBE_MAP_POSITIVE_X: case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: texture->setCompressedImage(target, level, internalformat, width, height, imageSize, data); break; default: UNREACHABLE(); } } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glCompressedTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const GLvoid* data) { EVENT("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, " "GLsizei width = %d, GLsizei height = %d, GLenum format = 0x%X, " "GLsizei imageSize = %d, const GLvoid* data = 0x%0.8p)", target, level, xoffset, yoffset, width, height, format, imageSize, data); try { if (!gl::IsTextureTarget(target)) { return error(GL_INVALID_ENUM); } if (level < 0) { return error(GL_INVALID_VALUE); } if (xoffset < 0 || yoffset < 0 || width < 0 || height < 0 || (level > 0 && !gl::isPow2(width)) || (level > 0 && !gl::isPow2(height)) || imageSize < 0) { return error(GL_INVALID_VALUE); } switch (format) { case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: break; default: return error(GL_INVALID_ENUM); } if (width == 0 || height == 0 || data == NULL) { return; } gl::Context *context = gl::getContext(); if (context) { if (level > context->getMaximumTextureLevel()) { return error(GL_INVALID_VALUE); } if (!context->supportsCompressedTextures()) { return error(GL_INVALID_ENUM); // in this case, it's as though the format switch has failed. } if (imageSize != gl::ComputeCompressedSize(width, height, format)) { return error(GL_INVALID_VALUE); } if (xoffset % 4 != 0 || yoffset % 4 != 0) { return error(GL_INVALID_OPERATION); // we wait to check the offsets until this point, because the multiple-of-four restriction // does not exist unless DXT1 textures are supported. } if (target == GL_TEXTURE_2D) { gl::Texture2D *texture = context->getTexture2D(); if (!texture) { return error(GL_INVALID_OPERATION); } if (!texture->isCompressed()) { return error(GL_INVALID_OPERATION); } if ((width % 4 != 0 && width != texture->getWidth()) || (height % 4 != 0 && height != texture->getHeight())) { return error(GL_INVALID_OPERATION); } texture->subImageCompressed(level, xoffset, yoffset, width, height, format, imageSize, data); } else if (gl::IsCubemapTextureTarget(target)) { gl::TextureCubeMap *texture = context->getTextureCubeMap(); if (!texture) { return error(GL_INVALID_OPERATION); } if (!texture->isCompressed()) { return error(GL_INVALID_OPERATION); } if ((width % 4 != 0 && width != texture->getWidth()) || (height % 4 != 0 && height != texture->getHeight())) { return error(GL_INVALID_OPERATION); } texture->subImageCompressed(target, level, xoffset, yoffset, width, height, format, imageSize, data); } else { UNREACHABLE(); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glCopyTexImage2D(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border) { EVENT("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, " "GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d, GLint border = %d)", target, level, internalformat, x, y, width, height, border); try { if (level < 0 || width < 0 || height < 0) { return error(GL_INVALID_VALUE); } if (level > 0 && (!gl::isPow2(width) || !gl::isPow2(height))) { return error(GL_INVALID_VALUE); } if (border != 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { switch (target) { case GL_TEXTURE_2D: if (width > (context->getMaximumTextureDimension() >> level) || height > (context->getMaximumTextureDimension() >> level)) { return error(GL_INVALID_VALUE); } break; case GL_TEXTURE_CUBE_MAP_POSITIVE_X: case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: if (width != height) { return error(GL_INVALID_VALUE); } if (width > (context->getMaximumCubeTextureDimension() >> level) || height > (context->getMaximumCubeTextureDimension() >> level)) { return error(GL_INVALID_VALUE); } break; default: return error(GL_INVALID_ENUM); } gl::Framebuffer *framebuffer = context->getReadFramebuffer(); if (framebuffer->completeness() != GL_FRAMEBUFFER_COMPLETE) { return error(GL_INVALID_FRAMEBUFFER_OPERATION); } if (context->getReadFramebufferHandle() != 0 && framebuffer->getColorbuffer()->getSamples() != 0) { return error(GL_INVALID_OPERATION); } gl::Colorbuffer *source = framebuffer->getColorbuffer(); GLenum colorbufferFormat = source->getInternalFormat(); // [OpenGL ES 2.0.24] table 3.9 switch (internalformat) { case GL_ALPHA: if (colorbufferFormat != GL_ALPHA && colorbufferFormat != GL_RGBA && colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 && colorbufferFormat != GL_RGBA8_OES) { return error(GL_INVALID_OPERATION); } break; case GL_LUMINANCE: case GL_RGB: if (colorbufferFormat != GL_RGB && colorbufferFormat != GL_RGB565 && colorbufferFormat != GL_RGB8_OES && colorbufferFormat != GL_RGBA && colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 && colorbufferFormat != GL_RGBA8_OES) { return error(GL_INVALID_OPERATION); } break; case GL_LUMINANCE_ALPHA: case GL_RGBA: if (colorbufferFormat != GL_RGBA && colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 && colorbufferFormat != GL_RGBA8_OES) { return error(GL_INVALID_OPERATION); } break; case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: if (context->supportsCompressedTextures()) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_ENUM); } break; default: return error(GL_INVALID_ENUM); } if (target == GL_TEXTURE_2D) { gl::Texture2D *texture = context->getTexture2D(); if (!texture) { return error(GL_INVALID_OPERATION); } texture->copyImage(level, internalformat, x, y, width, height, framebuffer); } else if (gl::IsCubemapTextureTarget(target)) { gl::TextureCubeMap *texture = context->getTextureCubeMap(); if (!texture) { return error(GL_INVALID_OPERATION); } texture->copyImage(target, level, internalformat, x, y, width, height, framebuffer); } else UNREACHABLE(); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glCopyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height) { EVENT("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, " "GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)", target, level, xoffset, yoffset, x, y, width, height); try { if (!gl::IsTextureTarget(target)) { return error(GL_INVALID_ENUM); } if (level < 0 || xoffset < 0 || yoffset < 0 || width < 0 || height < 0) { return error(GL_INVALID_VALUE); } if (std::numeric_limits<GLsizei>::max() - xoffset < width || std::numeric_limits<GLsizei>::max() - yoffset < height) { return error(GL_INVALID_VALUE); } if (width == 0 || height == 0) { return; } gl::Context *context = gl::getContext(); if (context) { if (level > context->getMaximumTextureLevel()) { return error(GL_INVALID_VALUE); } gl::Framebuffer *framebuffer = context->getReadFramebuffer(); if (framebuffer->completeness() != GL_FRAMEBUFFER_COMPLETE) { return error(GL_INVALID_FRAMEBUFFER_OPERATION); } if (context->getReadFramebufferHandle() != 0 && framebuffer->getColorbuffer()->getSamples() != 0) { return error(GL_INVALID_OPERATION); } gl::Colorbuffer *source = framebuffer->getColorbuffer(); GLenum colorbufferFormat = source->getInternalFormat(); gl::Texture *texture = NULL; if (target == GL_TEXTURE_2D) { texture = context->getTexture2D(); } else if (gl::IsCubemapTextureTarget(target)) { texture = context->getTextureCubeMap(); } else UNREACHABLE(); if (!texture) { return error(GL_INVALID_OPERATION); } GLenum textureFormat = texture->getInternalFormat(); // [OpenGL ES 2.0.24] table 3.9 switch (textureFormat) { case GL_ALPHA: if (colorbufferFormat != GL_ALPHA && colorbufferFormat != GL_RGBA && colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 && colorbufferFormat != GL_RGBA8_OES) { return error(GL_INVALID_OPERATION); } break; case GL_LUMINANCE: case GL_RGB: if (colorbufferFormat != GL_RGB && colorbufferFormat != GL_RGB565 && colorbufferFormat != GL_RGB8_OES && colorbufferFormat != GL_RGBA && colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 && colorbufferFormat != GL_RGBA8_OES) { return error(GL_INVALID_OPERATION); } break; case GL_LUMINANCE_ALPHA: case GL_RGBA: if (colorbufferFormat != GL_RGBA && colorbufferFormat != GL_RGBA4 && colorbufferFormat != GL_RGB5_A1 && colorbufferFormat != GL_RGBA8_OES) { return error(GL_INVALID_OPERATION); } break; case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: return error(GL_INVALID_OPERATION); default: return error(GL_INVALID_OPERATION); } texture->copySubImage(target, level, xoffset, yoffset, x, y, width, height, framebuffer); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } GLuint __stdcall glCreateProgram(void) { EVENT("()"); try { gl::Context *context = gl::getContext(); if (context) { return context->createProgram(); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, 0); } return 0; } GLuint __stdcall glCreateShader(GLenum type) { EVENT("(GLenum type = 0x%X)", type); try { gl::Context *context = gl::getContext(); if (context) { switch (type) { case GL_FRAGMENT_SHADER: case GL_VERTEX_SHADER: return context->createShader(type); default: return error(GL_INVALID_ENUM, 0); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, 0); } return 0; } void __stdcall glCullFace(GLenum mode) { EVENT("(GLenum mode = 0x%X)", mode); try { switch (mode) { case GL_FRONT: case GL_BACK: case GL_FRONT_AND_BACK: { gl::Context *context = gl::getContext(); if (context) { context->setCullMode(mode); } } break; default: return error(GL_INVALID_ENUM); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDeleteBuffers(GLsizei n, const GLuint* buffers) { EVENT("(GLsizei n = %d, const GLuint* buffers = 0x%0.8p)", n, buffers); try { if (n < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { for (int i = 0; i < n; i++) { context->deleteBuffer(buffers[i]); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDeleteFencesNV(GLsizei n, const GLuint* fences) { EVENT("(GLsizei n = %d, const GLuint* fences = 0x%0.8p)", n, fences); try { if (n < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { for (int i = 0; i < n; i++) { context->deleteFence(fences[i]); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDeleteFramebuffers(GLsizei n, const GLuint* framebuffers) { EVENT("(GLsizei n = %d, const GLuint* framebuffers = 0x%0.8p)", n, framebuffers); try { if (n < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { for (int i = 0; i < n; i++) { if (framebuffers[i] != 0) { context->deleteFramebuffer(framebuffers[i]); } } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDeleteProgram(GLuint program) { EVENT("(GLuint program = %d)", program); try { if (program == 0) { return; } gl::Context *context = gl::getContext(); if (context) { if (!context->getProgram(program)) { if(context->getShader(program)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } context->deleteProgram(program); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDeleteRenderbuffers(GLsizei n, const GLuint* renderbuffers) { EVENT("(GLsizei n = %d, const GLuint* renderbuffers = 0x%0.8p)", n, renderbuffers); try { if (n < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { for (int i = 0; i < n; i++) { context->deleteRenderbuffer(renderbuffers[i]); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDeleteShader(GLuint shader) { EVENT("(GLuint shader = %d)", shader); try { if (shader == 0) { return; } gl::Context *context = gl::getContext(); if (context) { if (!context->getShader(shader)) { if(context->getProgram(shader)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } context->deleteShader(shader); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDeleteTextures(GLsizei n, const GLuint* textures) { EVENT("(GLsizei n = %d, const GLuint* textures = 0x%0.8p)", n, textures); try { if (n < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { for (int i = 0; i < n; i++) { if (textures[i] != 0) { context->deleteTexture(textures[i]); } } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDepthFunc(GLenum func) { EVENT("(GLenum func = 0x%X)", func); try { switch (func) { case GL_NEVER: case GL_ALWAYS: case GL_LESS: case GL_LEQUAL: case GL_EQUAL: case GL_GREATER: case GL_GEQUAL: case GL_NOTEQUAL: break; default: return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); if (context) { context->setDepthFunc(func); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDepthMask(GLboolean flag) { EVENT("(GLboolean flag = %d)", flag); try { gl::Context *context = gl::getContext(); if (context) { context->setDepthMask(flag != GL_FALSE); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDepthRangef(GLclampf zNear, GLclampf zFar) { EVENT("(GLclampf zNear = %f, GLclampf zFar = %f)", zNear, zFar); try { gl::Context *context = gl::getContext(); if (context) { context->setDepthRange(zNear, zFar); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDetachShader(GLuint program, GLuint shader) { EVENT("(GLuint program = %d, GLuint shader = %d)", program, shader); try { gl::Context *context = gl::getContext(); if (context) { gl::Program *programObject = context->getProgram(program); gl::Shader *shaderObject = context->getShader(shader); if (!programObject) { gl::Shader *shaderByProgramHandle; shaderByProgramHandle = context->getShader(program); if (!shaderByProgramHandle) { return error(GL_INVALID_VALUE); } else { return error(GL_INVALID_OPERATION); } } if (!shaderObject) { gl::Program *programByShaderHandle = context->getProgram(shader); if (!programByShaderHandle) { return error(GL_INVALID_VALUE); } else { return error(GL_INVALID_OPERATION); } } if (!programObject->detachShader(shaderObject)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDisable(GLenum cap) { EVENT("(GLenum cap = 0x%X)", cap); try { gl::Context *context = gl::getContext(); if (context) { switch (cap) { case GL_CULL_FACE: context->setCullFace(false); break; case GL_POLYGON_OFFSET_FILL: context->setPolygonOffsetFill(false); break; case GL_SAMPLE_ALPHA_TO_COVERAGE: context->setSampleAlphaToCoverage(false); break; case GL_SAMPLE_COVERAGE: context->setSampleCoverage(false); break; case GL_SCISSOR_TEST: context->setScissorTest(false); break; case GL_STENCIL_TEST: context->setStencilTest(false); break; case GL_DEPTH_TEST: context->setDepthTest(false); break; case GL_BLEND: context->setBlend(false); break; case GL_DITHER: context->setDither(false); break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDisableVertexAttribArray(GLuint index) { EVENT("(GLuint index = %d)", index); try { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { context->setEnableVertexAttribArray(index, false); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDrawArrays(GLenum mode, GLint first, GLsizei count) { EVENT("(GLenum mode = 0x%X, GLint first = %d, GLsizei count = %d)", mode, first, count); try { if (count < 0 || first < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { context->drawArrays(mode, first, count); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glDrawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid* indices) { EVENT("(GLenum mode = 0x%X, GLsizei count = %d, GLenum type = 0x%X, const GLvoid* indices = 0x%0.8p)", mode, count, type, indices); try { if (count < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { switch (type) { case GL_UNSIGNED_BYTE: case GL_UNSIGNED_SHORT: break; case GL_UNSIGNED_INT: if (!context->supports32bitIndices()) { return error(GL_INVALID_ENUM); } break; default: return error(GL_INVALID_ENUM); } context->drawElements(mode, count, type, indices); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glEnable(GLenum cap) { EVENT("(GLenum cap = 0x%X)", cap); try { gl::Context *context = gl::getContext(); if (context) { switch (cap) { case GL_CULL_FACE: context->setCullFace(true); break; case GL_POLYGON_OFFSET_FILL: context->setPolygonOffsetFill(true); break; case GL_SAMPLE_ALPHA_TO_COVERAGE: context->setSampleAlphaToCoverage(true); break; case GL_SAMPLE_COVERAGE: context->setSampleCoverage(true); break; case GL_SCISSOR_TEST: context->setScissorTest(true); break; case GL_STENCIL_TEST: context->setStencilTest(true); break; case GL_DEPTH_TEST: context->setDepthTest(true); break; case GL_BLEND: context->setBlend(true); break; case GL_DITHER: context->setDither(true); break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glEnableVertexAttribArray(GLuint index) { EVENT("(GLuint index = %d)", index); try { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { context->setEnableVertexAttribArray(index, true); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glFinishFenceNV(GLuint fence) { EVENT("(GLuint fence = %d)", fence); try { gl::Context *context = gl::getContext(); if (context) { gl::Fence* fenceObject = context->getFence(fence); if (fenceObject == NULL) { return error(GL_INVALID_OPERATION); } fenceObject->finishFence(); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glFinish(void) { EVENT("()"); try { gl::Context *context = gl::getContext(); if (context) { context->finish(); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glFlush(void) { EVENT("()"); try { gl::Context *context = gl::getContext(); if (context) { context->flush(); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glFramebufferRenderbuffer(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer) { EVENT("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum renderbuffertarget = 0x%X, " "GLuint renderbuffer = %d)", target, attachment, renderbuffertarget, renderbuffer); try { if ((target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE) || renderbuffertarget != GL_RENDERBUFFER) { return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); if (context) { gl::Framebuffer *framebuffer = NULL; GLuint framebufferHandle = 0; if (target == GL_READ_FRAMEBUFFER_ANGLE) { framebuffer = context->getReadFramebuffer(); framebufferHandle = context->getReadFramebufferHandle(); } else { framebuffer = context->getDrawFramebuffer(); framebufferHandle = context->getDrawFramebufferHandle(); } if (framebufferHandle == 0 || !framebuffer) { return error(GL_INVALID_OPERATION); } switch (attachment) { case GL_COLOR_ATTACHMENT0: framebuffer->setColorbuffer(GL_RENDERBUFFER, renderbuffer); break; case GL_DEPTH_ATTACHMENT: framebuffer->setDepthbuffer(GL_RENDERBUFFER, renderbuffer); break; case GL_STENCIL_ATTACHMENT: framebuffer->setStencilbuffer(GL_RENDERBUFFER, renderbuffer); break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glFramebufferTexture2D(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level) { EVENT("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum textarget = 0x%X, " "GLuint texture = %d, GLint level = %d)", target, attachment, textarget, texture, level); try { if (target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE) { return error(GL_INVALID_ENUM); } switch (attachment) { case GL_COLOR_ATTACHMENT0: case GL_DEPTH_ATTACHMENT: case GL_STENCIL_ATTACHMENT: break; default: return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); if (context) { if (texture == 0) { textarget = GL_NONE; } else { gl::Texture *tex = context->getTexture(texture); if (tex == NULL) { return error(GL_INVALID_OPERATION); } if (tex->isCompressed()) { return error(GL_INVALID_OPERATION); } switch (textarget) { case GL_TEXTURE_2D: if (tex->getTarget() != GL_TEXTURE_2D) { return error(GL_INVALID_OPERATION); } break; case GL_TEXTURE_CUBE_MAP_POSITIVE_X: case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: if (tex->getTarget() != GL_TEXTURE_CUBE_MAP) { return error(GL_INVALID_OPERATION); } break; default: return error(GL_INVALID_ENUM); } if (level != 0) { return error(GL_INVALID_VALUE); } } gl::Framebuffer *framebuffer = NULL; GLuint framebufferHandle = 0; if (target == GL_READ_FRAMEBUFFER_ANGLE) { framebuffer = context->getReadFramebuffer(); framebufferHandle = context->getReadFramebufferHandle(); } else { framebuffer = context->getDrawFramebuffer(); framebufferHandle = context->getDrawFramebufferHandle(); } if (framebufferHandle == 0 || !framebuffer) { return error(GL_INVALID_OPERATION); } switch (attachment) { case GL_COLOR_ATTACHMENT0: framebuffer->setColorbuffer(textarget, texture); break; case GL_DEPTH_ATTACHMENT: framebuffer->setDepthbuffer(textarget, texture); break; case GL_STENCIL_ATTACHMENT: framebuffer->setStencilbuffer(textarget, texture); break; } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glFrontFace(GLenum mode) { EVENT("(GLenum mode = 0x%X)", mode); try { switch (mode) { case GL_CW: case GL_CCW: { gl::Context *context = gl::getContext(); if (context) { context->setFrontFace(mode); } } break; default: return error(GL_INVALID_ENUM); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGenBuffers(GLsizei n, GLuint* buffers) { EVENT("(GLsizei n = %d, GLuint* buffers = 0x%0.8p)", n, buffers); try { if (n < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { for (int i = 0; i < n; i++) { buffers[i] = context->createBuffer(); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGenerateMipmap(GLenum target) { EVENT("(GLenum target = 0x%X)", target); try { gl::Context *context = gl::getContext(); if (context) { gl::Texture *texture; switch (target) { case GL_TEXTURE_2D: texture = context->getTexture2D(); break; case GL_TEXTURE_CUBE_MAP: texture = context->getTextureCubeMap(); break; default: return error(GL_INVALID_ENUM); } if (texture->isCompressed()) { return error(GL_INVALID_OPERATION); } texture->generateMipmaps(); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGenFencesNV(GLsizei n, GLuint* fences) { EVENT("(GLsizei n = %d, GLuint* fences = 0x%0.8p)", n, fences); try { if (n < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { for (int i = 0; i < n; i++) { fences[i] = context->createFence(); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGenFramebuffers(GLsizei n, GLuint* framebuffers) { EVENT("(GLsizei n = %d, GLuint* framebuffers = 0x%0.8p)", n, framebuffers); try { if (n < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { for (int i = 0; i < n; i++) { framebuffers[i] = context->createFramebuffer(); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGenRenderbuffers(GLsizei n, GLuint* renderbuffers) { EVENT("(GLsizei n = %d, GLuint* renderbuffers = 0x%0.8p)", n, renderbuffers); try { if (n < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { for (int i = 0; i < n; i++) { renderbuffers[i] = context->createRenderbuffer(); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGenTextures(GLsizei n, GLuint* textures) { EVENT("(GLsizei n = %d, GLuint* textures = 0x%0.8p)", n, textures); try { if (n < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { for (int i = 0; i < n; i++) { textures[i] = context->createTexture(); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetActiveAttrib(GLuint program, GLuint index, GLsizei bufsize, GLsizei *length, GLint *size, GLenum *type, GLchar *name) { EVENT("(GLuint program = %d, GLuint index = %d, GLsizei bufsize = %d, GLsizei *length = 0x%0.8p, " "GLint *size = 0x%0.8p, GLenum *type = %0.8p, GLchar *name = %0.8p)", program, index, bufsize, length, size, type, name); try { if (bufsize < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { gl::Program *programObject = context->getProgram(program); if (!programObject) { if (context->getShader(program)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } if (index >= (GLuint)programObject->getActiveAttributeCount()) { return error(GL_INVALID_VALUE); } programObject->getActiveAttribute(index, bufsize, length, size, type, name); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetActiveUniform(GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name) { EVENT("(GLuint program = %d, GLuint index = %d, GLsizei bufsize = %d, " "GLsizei* length = 0x%0.8p, GLint* size = 0x%0.8p, GLenum* type = 0x%0.8p, GLchar* name = 0x%0.8p)", program, index, bufsize, length, size, type, name); try { if (bufsize < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { gl::Program *programObject = context->getProgram(program); if (!programObject) { if (context->getShader(program)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } if (index >= (GLuint)programObject->getActiveUniformCount()) { return error(GL_INVALID_VALUE); } programObject->getActiveUniform(index, bufsize, length, size, type, name); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetAttachedShaders(GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders) { EVENT("(GLuint program = %d, GLsizei maxcount = %d, GLsizei* count = 0x%0.8p, GLuint* shaders = 0x%0.8p)", program, maxcount, count, shaders); try { if (maxcount < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { gl::Program *programObject = context->getProgram(program); if (!programObject) { if (context->getShader(program)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } return programObject->getAttachedShaders(maxcount, count, shaders); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } int __stdcall glGetAttribLocation(GLuint program, const GLchar* name) { EVENT("(GLuint program = %d, const GLchar* name = %s)", program, name); try { gl::Context *context = gl::getContext(); if (context) { gl::Program *programObject = context->getProgram(program); if (!programObject) { if (context->getShader(program)) { return error(GL_INVALID_OPERATION, -1); } else { return error(GL_INVALID_VALUE, -1); } } if (!programObject->isLinked()) { return error(GL_INVALID_OPERATION, -1); } return programObject->getAttributeLocation(name); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, -1); } return -1; } void __stdcall glGetBooleanv(GLenum pname, GLboolean* params) { EVENT("(GLenum pname = 0x%X, GLboolean* params = 0x%0.8p)", pname, params); try { gl::Context *context = gl::getContext(); if (context) { if (!(context->getBooleanv(pname, params))) { GLenum nativeType; unsigned int numParams = 0; if (!context->getQueryParameterInfo(pname, &nativeType, &numParams)) return error(GL_INVALID_ENUM); if (numParams == 0) return; // it is known that the pname is valid, but there are no parameters to return if (nativeType == GL_FLOAT) { GLfloat *floatParams = NULL; floatParams = new GLfloat[numParams]; context->getFloatv(pname, floatParams); for (unsigned int i = 0; i < numParams; ++i) { if (floatParams[i] == 0.0f) params[i] = GL_FALSE; else params[i] = GL_TRUE; } delete [] floatParams; } else if (nativeType == GL_INT) { GLint *intParams = NULL; intParams = new GLint[numParams]; context->getIntegerv(pname, intParams); for (unsigned int i = 0; i < numParams; ++i) { if (intParams[i] == 0) params[i] = GL_FALSE; else params[i] = GL_TRUE; } delete [] intParams; } } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetBufferParameteriv(GLenum target, GLenum pname, GLint* params) { EVENT("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, pname, params); try { gl::Context *context = gl::getContext(); if (context) { gl::Buffer *buffer; switch (target) { case GL_ARRAY_BUFFER: buffer = context->getArrayBuffer(); break; case GL_ELEMENT_ARRAY_BUFFER: buffer = context->getElementArrayBuffer(); break; default: return error(GL_INVALID_ENUM); } if (!buffer) { // A null buffer means that "0" is bound to the requested buffer target return error(GL_INVALID_OPERATION); } switch (pname) { case GL_BUFFER_USAGE: *params = buffer->usage(); break; case GL_BUFFER_SIZE: *params = buffer->size(); break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } GLenum __stdcall glGetError(void) { EVENT("()"); gl::Context *context = gl::getContext(); if (context) { return context->getError(); } return GL_NO_ERROR; } void __stdcall glGetFenceivNV(GLuint fence, GLenum pname, GLint *params) { EVENT("(GLuint fence = %d, GLenum pname = 0x%X, GLint *params = 0x%0.8p)", fence, pname, params); try { gl::Context *context = gl::getContext(); if (context) { gl::Fence *fenceObject = context->getFence(fence); if (fenceObject == NULL) { return error(GL_INVALID_OPERATION); } fenceObject->getFenceiv(pname, params); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetFloatv(GLenum pname, GLfloat* params) { EVENT("(GLenum pname = 0x%X, GLfloat* params = 0x%0.8p)", pname, params); try { gl::Context *context = gl::getContext(); if (context) { if (!(context->getFloatv(pname, params))) { GLenum nativeType; unsigned int numParams = 0; if (!context->getQueryParameterInfo(pname, &nativeType, &numParams)) return error(GL_INVALID_ENUM); if (numParams == 0) return; // it is known that the pname is valid, but that there are no parameters to return. if (nativeType == GL_BOOL) { GLboolean *boolParams = NULL; boolParams = new GLboolean[numParams]; context->getBooleanv(pname, boolParams); for (unsigned int i = 0; i < numParams; ++i) { if (boolParams[i] == GL_FALSE) params[i] = 0.0f; else params[i] = 1.0f; } delete [] boolParams; } else if (nativeType == GL_INT) { GLint *intParams = NULL; intParams = new GLint[numParams]; context->getIntegerv(pname, intParams); for (unsigned int i = 0; i < numParams; ++i) { params[i] = (GLfloat)intParams[i]; } delete [] intParams; } } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetFramebufferAttachmentParameteriv(GLenum target, GLenum attachment, GLenum pname, GLint* params) { EVENT("(GLenum target = 0x%X, GLenum attachment = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, attachment, pname, params); try { gl::Context *context = gl::getContext(); if (context) { if (target != GL_FRAMEBUFFER && target != GL_DRAW_FRAMEBUFFER_ANGLE && target != GL_READ_FRAMEBUFFER_ANGLE) { return error(GL_INVALID_ENUM); } gl::Framebuffer *framebuffer = NULL; if (target == GL_READ_FRAMEBUFFER_ANGLE) { if(context->getReadFramebufferHandle() == 0) { return error(GL_INVALID_OPERATION); } framebuffer = context->getReadFramebuffer(); } else { if (context->getDrawFramebufferHandle() == 0) { return error(GL_INVALID_OPERATION); } framebuffer = context->getDrawFramebuffer(); } GLenum attachmentType; GLuint attachmentHandle; switch (attachment) { case GL_COLOR_ATTACHMENT0: attachmentType = framebuffer->getColorbufferType(); attachmentHandle = framebuffer->getColorbufferHandle(); break; case GL_DEPTH_ATTACHMENT: attachmentType = framebuffer->getDepthbufferType(); attachmentHandle = framebuffer->getDepthbufferHandle(); break; case GL_STENCIL_ATTACHMENT: attachmentType = framebuffer->getStencilbufferType(); attachmentHandle = framebuffer->getStencilbufferHandle(); break; default: return error(GL_INVALID_ENUM); } GLenum attachmentObjectType; // Type category if (attachmentType == GL_NONE || attachmentType == GL_RENDERBUFFER) { attachmentObjectType = attachmentType; } else if (gl::IsTextureTarget(attachmentType)) { attachmentObjectType = GL_TEXTURE; } else UNREACHABLE(); switch (pname) { case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE: *params = attachmentObjectType; break; case GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME: if (attachmentObjectType == GL_RENDERBUFFER || attachmentObjectType == GL_TEXTURE) { *params = attachmentHandle; } else { return error(GL_INVALID_ENUM); } break; case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL: if (attachmentObjectType == GL_TEXTURE) { *params = 0; // FramebufferTexture2D will not allow level to be set to anything else in GL ES 2.0 } else { return error(GL_INVALID_ENUM); } break; case GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE: if (attachmentObjectType == GL_TEXTURE) { if (gl::IsCubemapTextureTarget(attachmentType)) { *params = attachmentType; } else { *params = 0; } } else { return error(GL_INVALID_ENUM); } break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetIntegerv(GLenum pname, GLint* params) { EVENT("(GLenum pname = 0x%X, GLint* params = 0x%0.8p)", pname, params); try { gl::Context *context = gl::getContext(); if (context) { if (!(context->getIntegerv(pname, params))) { GLenum nativeType; unsigned int numParams = 0; if (!context->getQueryParameterInfo(pname, &nativeType, &numParams)) return error(GL_INVALID_ENUM); if (numParams == 0) return; // it is known that pname is valid, but there are no parameters to return if (nativeType == GL_BOOL) { GLboolean *boolParams = NULL; boolParams = new GLboolean[numParams]; context->getBooleanv(pname, boolParams); for (unsigned int i = 0; i < numParams; ++i) { if (boolParams[i] == GL_FALSE) params[i] = 0; else params[i] = 1; } delete [] boolParams; } else if (nativeType == GL_FLOAT) { GLfloat *floatParams = NULL; floatParams = new GLfloat[numParams]; context->getFloatv(pname, floatParams); for (unsigned int i = 0; i < numParams; ++i) { if (pname == GL_DEPTH_RANGE || pname == GL_COLOR_CLEAR_VALUE || pname == GL_DEPTH_CLEAR_VALUE || pname == GL_BLEND_COLOR) { params[i] = (GLint)(((GLfloat)(0xFFFFFFFF) * floatParams[i] - 1.0f) / 2.0f); } else params[i] = (GLint)(floatParams[i] > 0.0f ? floor(floatParams[i] + 0.5) : ceil(floatParams[i] - 0.5)); } delete [] floatParams; } } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetProgramiv(GLuint program, GLenum pname, GLint* params) { EVENT("(GLuint program = %d, GLenum pname = %d, GLint* params = 0x%0.8p)", program, pname, params); try { gl::Context *context = gl::getContext(); if (context) { gl::Program *programObject = context->getProgram(program); if (!programObject) { return error(GL_INVALID_VALUE); } switch (pname) { case GL_DELETE_STATUS: *params = programObject->isFlaggedForDeletion(); return; case GL_LINK_STATUS: *params = programObject->isLinked(); return; case GL_VALIDATE_STATUS: *params = programObject->isValidated(); return; case GL_INFO_LOG_LENGTH: *params = programObject->getInfoLogLength(); return; case GL_ATTACHED_SHADERS: *params = programObject->getAttachedShadersCount(); return; case GL_ACTIVE_ATTRIBUTES: *params = programObject->getActiveAttributeCount(); return; case GL_ACTIVE_ATTRIBUTE_MAX_LENGTH: *params = programObject->getActiveAttributeMaxLength(); return; case GL_ACTIVE_UNIFORMS: *params = programObject->getActiveUniformCount(); return; case GL_ACTIVE_UNIFORM_MAX_LENGTH: *params = programObject->getActiveUniformMaxLength(); return; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetProgramInfoLog(GLuint program, GLsizei bufsize, GLsizei* length, GLchar* infolog) { EVENT("(GLuint program = %d, GLsizei bufsize = %d, GLsizei* length = 0x%0.8p, GLchar* infolog = 0x%0.8p)", program, bufsize, length, infolog); try { if (bufsize < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { gl::Program *programObject = context->getProgram(program); if (!programObject) { return error(GL_INVALID_VALUE); } programObject->getInfoLog(bufsize, length, infolog); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetRenderbufferParameteriv(GLenum target, GLenum pname, GLint* params) { EVENT("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, pname, params); try { gl::Context *context = gl::getContext(); if (context) { if (target != GL_RENDERBUFFER) { return error(GL_INVALID_ENUM); } if (context->getRenderbufferHandle() == 0) { return error(GL_INVALID_OPERATION); } gl::Renderbuffer *renderbuffer = context->getRenderbuffer(context->getRenderbufferHandle()); switch (pname) { case GL_RENDERBUFFER_WIDTH: *params = renderbuffer->getWidth(); break; case GL_RENDERBUFFER_HEIGHT: *params = renderbuffer->getHeight(); break; case GL_RENDERBUFFER_INTERNAL_FORMAT: *params = renderbuffer->getInternalFormat(); break; case GL_RENDERBUFFER_RED_SIZE: *params = renderbuffer->getRedSize(); break; case GL_RENDERBUFFER_GREEN_SIZE: *params = renderbuffer->getGreenSize(); break; case GL_RENDERBUFFER_BLUE_SIZE: *params = renderbuffer->getBlueSize(); break; case GL_RENDERBUFFER_ALPHA_SIZE: *params = renderbuffer->getAlphaSize(); break; case GL_RENDERBUFFER_DEPTH_SIZE: *params = renderbuffer->getDepthSize(); break; case GL_RENDERBUFFER_STENCIL_SIZE: *params = renderbuffer->getStencilSize(); break; case GL_RENDERBUFFER_SAMPLES_ANGLE: if (context->getMaxSupportedSamples() != 0) { *params = renderbuffer->getSamples(); } else { return error(GL_INVALID_ENUM); } break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetShaderiv(GLuint shader, GLenum pname, GLint* params) { EVENT("(GLuint shader = %d, GLenum pname = %d, GLint* params = 0x%0.8p)", shader, pname, params); try { gl::Context *context = gl::getContext(); if (context) { gl::Shader *shaderObject = context->getShader(shader); if (!shaderObject) { return error(GL_INVALID_VALUE); } switch (pname) { case GL_SHADER_TYPE: *params = shaderObject->getType(); return; case GL_DELETE_STATUS: *params = shaderObject->isFlaggedForDeletion(); return; case GL_COMPILE_STATUS: *params = shaderObject->isCompiled() ? GL_TRUE : GL_FALSE; return; case GL_INFO_LOG_LENGTH: *params = shaderObject->getInfoLogLength(); return; case GL_SHADER_SOURCE_LENGTH: *params = shaderObject->getSourceLength(); return; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetShaderInfoLog(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* infolog) { EVENT("(GLuint shader = %d, GLsizei bufsize = %d, GLsizei* length = 0x%0.8p, GLchar* infolog = 0x%0.8p)", shader, bufsize, length, infolog); try { if (bufsize < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { gl::Shader *shaderObject = context->getShader(shader); if (!shaderObject) { return error(GL_INVALID_VALUE); } shaderObject->getInfoLog(bufsize, length, infolog); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetShaderPrecisionFormat(GLenum shadertype, GLenum precisiontype, GLint* range, GLint* precision) { EVENT("(GLenum shadertype = 0x%X, GLenum precisiontype = 0x%X, GLint* range = 0x%0.8p, GLint* precision = 0x%0.8p)", shadertype, precisiontype, range, precision); try { switch (shadertype) { case GL_VERTEX_SHADER: case GL_FRAGMENT_SHADER: break; default: return error(GL_INVALID_ENUM); } switch (precisiontype) { case GL_LOW_FLOAT: case GL_MEDIUM_FLOAT: case GL_HIGH_FLOAT: // Assume IEEE 754 precision range[0] = 127; range[1] = 127; *precision = 23; break; case GL_LOW_INT: case GL_MEDIUM_INT: case GL_HIGH_INT: // Some (most) hardware only supports single-precision floating-point numbers, // which can accurately represent integers up to +/-16777216 range[0] = 24; range[1] = 24; *precision = 0; break; default: return error(GL_INVALID_ENUM); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetShaderSource(GLuint shader, GLsizei bufsize, GLsizei* length, GLchar* source) { EVENT("(GLuint shader = %d, GLsizei bufsize = %d, GLsizei* length = 0x%0.8p, GLchar* source = 0x%0.8p)", shader, bufsize, length, source); try { if (bufsize < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { gl::Shader *shaderObject = context->getShader(shader); if (!shaderObject) { return error(GL_INVALID_OPERATION); } shaderObject->getSource(bufsize, length, source); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } const GLubyte* __stdcall glGetString(GLenum name) { EVENT("(GLenum name = 0x%X)", name); try { gl::Context *context = gl::getContext(); switch (name) { case GL_VENDOR: return (GLubyte*)"Google Inc."; case GL_RENDERER: return (GLubyte*)"ANGLE"; case GL_VERSION: return (GLubyte*)"OpenGL ES 2.0 (ANGLE "VERSION_STRING")"; case GL_SHADING_LANGUAGE_VERSION: return (GLubyte*)"OpenGL ES GLSL ES 1.00 (ANGLE "VERSION_STRING")"; case GL_EXTENSIONS: return (GLubyte*)((context != NULL) ? context->getExtensionString() : ""); default: return error(GL_INVALID_ENUM, (GLubyte*)NULL); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, (GLubyte*)NULL); } return NULL; } void __stdcall glGetTexParameterfv(GLenum target, GLenum pname, GLfloat* params) { EVENT("(GLenum target = 0x%X, GLenum pname = 0x%X, GLfloat* params = 0x%0.8p)", target, pname, params); try { gl::Context *context = gl::getContext(); if (context) { gl::Texture *texture; switch (target) { case GL_TEXTURE_2D: texture = context->getTexture2D(); break; case GL_TEXTURE_CUBE_MAP: texture = context->getTextureCubeMap(); break; default: return error(GL_INVALID_ENUM); } switch (pname) { case GL_TEXTURE_MAG_FILTER: *params = (GLfloat)texture->getMagFilter(); break; case GL_TEXTURE_MIN_FILTER: *params = (GLfloat)texture->getMinFilter(); break; case GL_TEXTURE_WRAP_S: *params = (GLfloat)texture->getWrapS(); break; case GL_TEXTURE_WRAP_T: *params = (GLfloat)texture->getWrapT(); break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetTexParameteriv(GLenum target, GLenum pname, GLint* params) { EVENT("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", target, pname, params); try { gl::Context *context = gl::getContext(); if (context) { gl::Texture *texture; switch (target) { case GL_TEXTURE_2D: texture = context->getTexture2D(); break; case GL_TEXTURE_CUBE_MAP: texture = context->getTextureCubeMap(); break; default: return error(GL_INVALID_ENUM); } switch (pname) { case GL_TEXTURE_MAG_FILTER: *params = texture->getMagFilter(); break; case GL_TEXTURE_MIN_FILTER: *params = texture->getMinFilter(); break; case GL_TEXTURE_WRAP_S: *params = texture->getWrapS(); break; case GL_TEXTURE_WRAP_T: *params = texture->getWrapT(); break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetUniformfv(GLuint program, GLint location, GLfloat* params) { EVENT("(GLuint program = %d, GLint location = %d, GLfloat* params = 0x%0.8p)", program, location, params); try { gl::Context *context = gl::getContext(); if (context) { if (program == 0) { return error(GL_INVALID_VALUE); } gl::Program *programObject = context->getProgram(program); if (!programObject || !programObject->isLinked()) { return error(GL_INVALID_OPERATION); } if (!programObject->getUniformfv(location, params)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetUniformiv(GLuint program, GLint location, GLint* params) { EVENT("(GLuint program = %d, GLint location = %d, GLint* params = 0x%0.8p)", program, location, params); try { gl::Context *context = gl::getContext(); if (context) { if (program == 0) { return error(GL_INVALID_VALUE); } gl::Program *programObject = context->getProgram(program); if (!programObject || !programObject->isLinked()) { return error(GL_INVALID_OPERATION); } if (!programObject) { return error(GL_INVALID_OPERATION); } if (!programObject->getUniformiv(location, params)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } int __stdcall glGetUniformLocation(GLuint program, const GLchar* name) { EVENT("(GLuint program = %d, const GLchar* name = 0x%0.8p)", program, name); try { gl::Context *context = gl::getContext(); if (strstr(name, "gl_") == name) { return -1; } if (context) { gl::Program *programObject = context->getProgram(program); if (!programObject) { if (context->getShader(program)) { return error(GL_INVALID_OPERATION, -1); } else { return error(GL_INVALID_VALUE, -1); } } if (!programObject->isLinked()) { return error(GL_INVALID_OPERATION, -1); } return programObject->getUniformLocation(name, false); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, -1); } return -1; } void __stdcall glGetVertexAttribfv(GLuint index, GLenum pname, GLfloat* params) { EVENT("(GLuint index = %d, GLenum pname = 0x%X, GLfloat* params = 0x%0.8p)", index, pname, params); try { gl::Context *context = gl::getContext(); if (context) { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } const gl::VertexAttribute &attribState = context->getVertexAttribState(index); switch (pname) { case GL_VERTEX_ATTRIB_ARRAY_ENABLED: *params = (GLfloat)(attribState.mArrayEnabled ? GL_TRUE : GL_FALSE); break; case GL_VERTEX_ATTRIB_ARRAY_SIZE: *params = (GLfloat)attribState.mSize; break; case GL_VERTEX_ATTRIB_ARRAY_STRIDE: *params = (GLfloat)attribState.mStride; break; case GL_VERTEX_ATTRIB_ARRAY_TYPE: *params = (GLfloat)attribState.mType; break; case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED: *params = (GLfloat)(attribState.mNormalized ? GL_TRUE : GL_FALSE); break; case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: *params = (GLfloat)attribState.mBoundBuffer.id(); break; case GL_CURRENT_VERTEX_ATTRIB: for (int i = 0; i < 4; ++i) { params[i] = attribState.mCurrentValue[i]; } break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetVertexAttribiv(GLuint index, GLenum pname, GLint* params) { EVENT("(GLuint index = %d, GLenum pname = 0x%X, GLint* params = 0x%0.8p)", index, pname, params); try { gl::Context *context = gl::getContext(); if (context) { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } const gl::VertexAttribute &attribState = context->getVertexAttribState(index); switch (pname) { case GL_VERTEX_ATTRIB_ARRAY_ENABLED: *params = (attribState.mArrayEnabled ? GL_TRUE : GL_FALSE); break; case GL_VERTEX_ATTRIB_ARRAY_SIZE: *params = attribState.mSize; break; case GL_VERTEX_ATTRIB_ARRAY_STRIDE: *params = attribState.mStride; break; case GL_VERTEX_ATTRIB_ARRAY_TYPE: *params = attribState.mType; break; case GL_VERTEX_ATTRIB_ARRAY_NORMALIZED: *params = (attribState.mNormalized ? GL_TRUE : GL_FALSE); break; case GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING: *params = attribState.mBoundBuffer.id(); break; case GL_CURRENT_VERTEX_ATTRIB: for (int i = 0; i < 4; ++i) { float currentValue = attribState.mCurrentValue[i]; params[i] = (GLint)(currentValue > 0.0f ? floor(currentValue + 0.5f) : ceil(currentValue - 0.5f)); } break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glGetVertexAttribPointerv(GLuint index, GLenum pname, GLvoid** pointer) { EVENT("(GLuint index = %d, GLenum pname = 0x%X, GLvoid** pointer = 0x%0.8p)", index, pname, pointer); try { gl::Context *context = gl::getContext(); if (context) { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } if (pname != GL_VERTEX_ATTRIB_ARRAY_POINTER) { return error(GL_INVALID_ENUM); } *pointer = const_cast<GLvoid*>(context->getVertexAttribPointer(index)); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glHint(GLenum target, GLenum mode) { EVENT("(GLenum target = 0x%X, GLenum mode = 0x%X)", target, mode); try { switch (mode) { case GL_FASTEST: case GL_NICEST: case GL_DONT_CARE: break; default: return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); switch (target) { case GL_GENERATE_MIPMAP_HINT: if (context) context->setGenerateMipmapHint(mode); break; case GL_FRAGMENT_SHADER_DERIVATIVE_HINT_OES: if (context) context->setFragmentShaderDerivativeHint(mode); break; default: return error(GL_INVALID_ENUM); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } GLboolean __stdcall glIsBuffer(GLuint buffer) { EVENT("(GLuint buffer = %d)", buffer); try { gl::Context *context = gl::getContext(); if (context && buffer) { gl::Buffer *bufferObject = context->getBuffer(buffer); if (bufferObject) { return GL_TRUE; } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, GL_FALSE); } return GL_FALSE; } GLboolean __stdcall glIsEnabled(GLenum cap) { EVENT("(GLenum cap = 0x%X)", cap); try { gl::Context *context = gl::getContext(); if (context) { switch (cap) { case GL_CULL_FACE: return context->isCullFaceEnabled(); case GL_POLYGON_OFFSET_FILL: return context->isPolygonOffsetFillEnabled(); case GL_SAMPLE_ALPHA_TO_COVERAGE: return context->isSampleAlphaToCoverageEnabled(); case GL_SAMPLE_COVERAGE: return context->isSampleCoverageEnabled(); case GL_SCISSOR_TEST: return context->isScissorTestEnabled(); case GL_STENCIL_TEST: return context->isStencilTestEnabled(); case GL_DEPTH_TEST: return context->isDepthTestEnabled(); case GL_BLEND: return context->isBlendEnabled(); case GL_DITHER: return context->isDitherEnabled(); default: return error(GL_INVALID_ENUM, false); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, false); } return false; } GLboolean __stdcall glIsFenceNV(GLuint fence) { EVENT("(GLuint fence = %d)", fence); try { gl::Context *context = gl::getContext(); if (context) { gl::Fence *fenceObject = context->getFence(fence); if (fenceObject == NULL) { return GL_FALSE; } return fenceObject->isFence(); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, GL_FALSE); } return GL_FALSE; } GLboolean __stdcall glIsFramebuffer(GLuint framebuffer) { EVENT("(GLuint framebuffer = %d)", framebuffer); try { gl::Context *context = gl::getContext(); if (context && framebuffer) { gl::Framebuffer *framebufferObject = context->getFramebuffer(framebuffer); if (framebufferObject) { return GL_TRUE; } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, GL_FALSE); } return GL_FALSE; } GLboolean __stdcall glIsProgram(GLuint program) { EVENT("(GLuint program = %d)", program); try { gl::Context *context = gl::getContext(); if (context && program) { gl::Program *programObject = context->getProgram(program); if (programObject) { return GL_TRUE; } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, GL_FALSE); } return GL_FALSE; } GLboolean __stdcall glIsRenderbuffer(GLuint renderbuffer) { EVENT("(GLuint renderbuffer = %d)", renderbuffer); try { gl::Context *context = gl::getContext(); if (context && renderbuffer) { gl::Renderbuffer *renderbufferObject = context->getRenderbuffer(renderbuffer); if (renderbufferObject) { return GL_TRUE; } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, GL_FALSE); } return GL_FALSE; } GLboolean __stdcall glIsShader(GLuint shader) { EVENT("(GLuint shader = %d)", shader); try { gl::Context *context = gl::getContext(); if (context && shader) { gl::Shader *shaderObject = context->getShader(shader); if (shaderObject) { return GL_TRUE; } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, GL_FALSE); } return GL_FALSE; } GLboolean __stdcall glIsTexture(GLuint texture) { EVENT("(GLuint texture = %d)", texture); try { gl::Context *context = gl::getContext(); if (context && texture) { gl::Texture *textureObject = context->getTexture(texture); if (textureObject) { return GL_TRUE; } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY, GL_FALSE); } return GL_FALSE; } void __stdcall glLineWidth(GLfloat width) { EVENT("(GLfloat width = %f)", width); try { if (width <= 0.0f) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { context->setLineWidth(width); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glLinkProgram(GLuint program) { EVENT("(GLuint program = %d)", program); try { gl::Context *context = gl::getContext(); if (context) { gl::Program *programObject = context->getProgram(program); if (!programObject) { if (context->getShader(program)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } programObject->link(); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glPixelStorei(GLenum pname, GLint param) { EVENT("(GLenum pname = 0x%X, GLint param = %d)", pname, param); try { gl::Context *context = gl::getContext(); if (context) { switch (pname) { case GL_UNPACK_ALIGNMENT: if (param != 1 && param != 2 && param != 4 && param != 8) { return error(GL_INVALID_VALUE); } context->setUnpackAlignment(param); break; case GL_PACK_ALIGNMENT: if (param != 1 && param != 2 && param != 4 && param != 8) { return error(GL_INVALID_VALUE); } context->setPackAlignment(param); break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glPolygonOffset(GLfloat factor, GLfloat units) { EVENT("(GLfloat factor = %f, GLfloat units = %f)", factor, units); try { gl::Context *context = gl::getContext(); if (context) { context->setPolygonOffsetParams(factor, units); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glReadPixels(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid* pixels) { EVENT("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d, " "GLenum format = 0x%X, GLenum type = 0x%X, GLvoid* pixels = 0x%0.8p)", x, y, width, height, format, type, pixels); try { if (width < 0 || height < 0) { return error(GL_INVALID_VALUE); } switch (format) { case GL_RGBA: switch (type) { case GL_UNSIGNED_BYTE: break; default: return error(GL_INVALID_OPERATION); } break; case GL_BGRA_EXT: switch (type) { case GL_UNSIGNED_BYTE: case GL_UNSIGNED_SHORT_4_4_4_4_REV_EXT: case GL_UNSIGNED_SHORT_1_5_5_5_REV_EXT: break; default: return error(GL_INVALID_OPERATION); } break; case gl::IMPLEMENTATION_COLOR_READ_FORMAT: switch (type) { case gl::IMPLEMENTATION_COLOR_READ_TYPE: break; default: return error(GL_INVALID_OPERATION); } break; default: return error(GL_INVALID_OPERATION); } gl::Context *context = gl::getContext(); if (context) { context->readPixels(x, y, width, height, format, type, pixels); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glReleaseShaderCompiler(void) { EVENT("()"); try { gl::Shader::releaseCompiler(); } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glRenderbufferStorageMultisampleANGLE(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height) { EVENT("(GLenum target = 0x%X, GLsizei samples = %d, GLenum internalformat = 0x%X, GLsizei width = %d, GLsizei height = %d)", target, samples, internalformat, width, height); try { switch (target) { case GL_RENDERBUFFER: break; default: return error(GL_INVALID_ENUM); } if (!gl::IsColorRenderable(internalformat) && !gl::IsDepthRenderable(internalformat) && !gl::IsStencilRenderable(internalformat)) { return error(GL_INVALID_ENUM); } if (width < 0 || height < 0 || samples < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { if (width > context->getMaximumRenderbufferDimension() || height > context->getMaximumRenderbufferDimension() || samples > context->getMaxSupportedSamples()) { return error(GL_INVALID_VALUE); } GLuint handle = context->getRenderbufferHandle(); if (handle == 0) { return error(GL_INVALID_OPERATION); } switch (internalformat) { case GL_DEPTH_COMPONENT16: context->setRenderbufferStorage(new gl::Depthbuffer(width, height, samples)); break; case GL_RGBA4: case GL_RGB5_A1: case GL_RGB565: case GL_RGB8_OES: case GL_RGBA8_OES: context->setRenderbufferStorage(new gl::Colorbuffer(width, height, internalformat, samples)); break; case GL_STENCIL_INDEX8: context->setRenderbufferStorage(new gl::Stencilbuffer(width, height, samples)); break; case GL_DEPTH24_STENCIL8_OES: context->setRenderbufferStorage(new gl::DepthStencilbuffer(width, height, samples)); break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glRenderbufferStorage(GLenum target, GLenum internalformat, GLsizei width, GLsizei height) { glRenderbufferStorageMultisampleANGLE(target, 0, internalformat, width, height); } void __stdcall glSampleCoverage(GLclampf value, GLboolean invert) { EVENT("(GLclampf value = %f, GLboolean invert = %d)", value, invert); try { gl::Context* context = gl::getContext(); if (context) { context->setSampleCoverageParams(gl::clamp01(value), invert == GL_TRUE); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glSetFenceNV(GLuint fence, GLenum condition) { EVENT("(GLuint fence = %d, GLenum condition = 0x%X)", fence, condition); try { if (condition != GL_ALL_COMPLETED_NV) { return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); if (context) { gl::Fence *fenceObject = context->getFence(fence); if (fenceObject == NULL) { return error(GL_INVALID_OPERATION); } fenceObject->setFence(condition); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glScissor(GLint x, GLint y, GLsizei width, GLsizei height) { EVENT("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)", x, y, width, height); try { if (width < 0 || height < 0) { return error(GL_INVALID_VALUE); } gl::Context* context = gl::getContext(); if (context) { context->setScissorParams(x, y, width, height); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glShaderBinary(GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length) { EVENT("(GLsizei n = %d, const GLuint* shaders = 0x%0.8p, GLenum binaryformat = 0x%X, " "const GLvoid* binary = 0x%0.8p, GLsizei length = %d)", n, shaders, binaryformat, binary, length); try { // No binary shader formats are supported. return error(GL_INVALID_ENUM); } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glShaderSource(GLuint shader, GLsizei count, const GLchar** string, const GLint* length) { EVENT("(GLuint shader = %d, GLsizei count = %d, const GLchar** string = 0x%0.8p, const GLint* length = 0x%0.8p)", shader, count, string, length); try { if (count < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { gl::Shader *shaderObject = context->getShader(shader); if (!shaderObject) { if (context->getProgram(shader)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } shaderObject->setSource(count, string, length); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glStencilFunc(GLenum func, GLint ref, GLuint mask) { glStencilFuncSeparate(GL_FRONT_AND_BACK, func, ref, mask); } void __stdcall glStencilFuncSeparate(GLenum face, GLenum func, GLint ref, GLuint mask) { EVENT("(GLenum face = 0x%X, GLenum func = 0x%X, GLint ref = %d, GLuint mask = %d)", face, func, ref, mask); try { switch (face) { case GL_FRONT: case GL_BACK: case GL_FRONT_AND_BACK: break; default: return error(GL_INVALID_ENUM); } switch (func) { case GL_NEVER: case GL_ALWAYS: case GL_LESS: case GL_LEQUAL: case GL_EQUAL: case GL_GEQUAL: case GL_GREATER: case GL_NOTEQUAL: break; default: return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); if (context) { if (face == GL_FRONT || face == GL_FRONT_AND_BACK) { context->setStencilParams(func, ref, mask); } if (face == GL_BACK || face == GL_FRONT_AND_BACK) { context->setStencilBackParams(func, ref, mask); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glStencilMask(GLuint mask) { glStencilMaskSeparate(GL_FRONT_AND_BACK, mask); } void __stdcall glStencilMaskSeparate(GLenum face, GLuint mask) { EVENT("(GLenum face = 0x%X, GLuint mask = %d)", face, mask); try { switch (face) { case GL_FRONT: case GL_BACK: case GL_FRONT_AND_BACK: break; default: return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); if (context) { if (face == GL_FRONT || face == GL_FRONT_AND_BACK) { context->setStencilWritemask(mask); } if (face == GL_BACK || face == GL_FRONT_AND_BACK) { context->setStencilBackWritemask(mask); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glStencilOp(GLenum fail, GLenum zfail, GLenum zpass) { glStencilOpSeparate(GL_FRONT_AND_BACK, fail, zfail, zpass); } void __stdcall glStencilOpSeparate(GLenum face, GLenum fail, GLenum zfail, GLenum zpass) { EVENT("(GLenum face = 0x%X, GLenum fail = 0x%X, GLenum zfail = 0x%X, GLenum zpas = 0x%Xs)", face, fail, zfail, zpass); try { switch (face) { case GL_FRONT: case GL_BACK: case GL_FRONT_AND_BACK: break; default: return error(GL_INVALID_ENUM); } switch (fail) { case GL_ZERO: case GL_KEEP: case GL_REPLACE: case GL_INCR: case GL_DECR: case GL_INVERT: case GL_INCR_WRAP: case GL_DECR_WRAP: break; default: return error(GL_INVALID_ENUM); } switch (zfail) { case GL_ZERO: case GL_KEEP: case GL_REPLACE: case GL_INCR: case GL_DECR: case GL_INVERT: case GL_INCR_WRAP: case GL_DECR_WRAP: break; default: return error(GL_INVALID_ENUM); } switch (zpass) { case GL_ZERO: case GL_KEEP: case GL_REPLACE: case GL_INCR: case GL_DECR: case GL_INVERT: case GL_INCR_WRAP: case GL_DECR_WRAP: break; default: return error(GL_INVALID_ENUM); } gl::Context *context = gl::getContext(); if (context) { if (face == GL_FRONT || face == GL_FRONT_AND_BACK) { context->setStencilOperations(fail, zfail, zpass); } if (face == GL_BACK || face == GL_FRONT_AND_BACK) { context->setStencilBackOperations(fail, zfail, zpass); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } GLboolean __stdcall glTestFenceNV(GLuint fence) { EVENT("(GLuint fence = %d)", fence); try { gl::Context *context = gl::getContext(); if (context) { gl::Fence *fenceObject = context->getFence(fence); if (fenceObject == NULL) { return error(GL_INVALID_OPERATION, GL_TRUE); } return fenceObject->testFence(); } } catch(std::bad_alloc&) { error(GL_OUT_OF_MEMORY); } return GL_TRUE; } void __stdcall glTexImage2D(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid* pixels) { EVENT("(GLenum target = 0x%X, GLint level = %d, GLint internalformat = %d, GLsizei width = %d, GLsizei height = %d, " "GLint border = %d, GLenum format = 0x%X, GLenum type = 0x%X, const GLvoid* pixels = 0x%0.8p)", target, level, internalformat, width, height, border, format, type, pixels); try { if (level < 0 || width < 0 || height < 0) { return error(GL_INVALID_VALUE); } if (level > 0 && (!gl::isPow2(width) || !gl::isPow2(height))) { return error(GL_INVALID_VALUE); } if (internalformat != format) { return error(GL_INVALID_OPERATION); } switch (format) { case GL_ALPHA: case GL_LUMINANCE: case GL_LUMINANCE_ALPHA: switch (type) { case GL_UNSIGNED_BYTE: case GL_FLOAT: case GL_HALF_FLOAT_OES: break; default: return error(GL_INVALID_ENUM); } break; case GL_RGB: switch (type) { case GL_UNSIGNED_BYTE: case GL_UNSIGNED_SHORT_5_6_5: case GL_FLOAT: case GL_HALF_FLOAT_OES: break; default: return error(GL_INVALID_ENUM); } break; case GL_RGBA: switch (type) { case GL_UNSIGNED_BYTE: case GL_UNSIGNED_SHORT_4_4_4_4: case GL_UNSIGNED_SHORT_5_5_5_1: case GL_FLOAT: case GL_HALF_FLOAT_OES: break; default: return error(GL_INVALID_ENUM); } break; case GL_BGRA_EXT: switch (type) { case GL_UNSIGNED_BYTE: break; default: return error(GL_INVALID_ENUM); } break; case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: // error cases for compressed textures are handled below case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: break; default: return error(GL_INVALID_VALUE); } if (border != 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { switch (target) { case GL_TEXTURE_2D: if (width > (context->getMaximumTextureDimension() >> level) || height > (context->getMaximumTextureDimension() >> level)) { return error(GL_INVALID_VALUE); } break; case GL_TEXTURE_CUBE_MAP_POSITIVE_X: case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: if (width != height) { return error(GL_INVALID_VALUE); } if (width > (context->getMaximumCubeTextureDimension() >> level) || height > (context->getMaximumCubeTextureDimension() >> level)) { return error(GL_INVALID_VALUE); } break; default: return error(GL_INVALID_ENUM); } if (format == GL_COMPRESSED_RGB_S3TC_DXT1_EXT || format == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT) { if (context->supportsCompressedTextures()) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_ENUM); } } if (type == GL_FLOAT) { if (!context->supportsFloatTextures()) { return error(GL_INVALID_ENUM); } } else if (type == GL_HALF_FLOAT_OES) { if (!context->supportsHalfFloatTextures()) { return error(GL_INVALID_ENUM); } } if (target == GL_TEXTURE_2D) { gl::Texture2D *texture = context->getTexture2D(); if (!texture) { return error(GL_INVALID_OPERATION); } texture->setImage(level, width, height, format, type, context->getUnpackAlignment(), pixels); } else { gl::TextureCubeMap *texture = context->getTextureCubeMap(); if (!texture) { return error(GL_INVALID_OPERATION); } switch (target) { case GL_TEXTURE_CUBE_MAP_POSITIVE_X: texture->setImagePosX(level, width, height, format, type, context->getUnpackAlignment(), pixels); break; case GL_TEXTURE_CUBE_MAP_NEGATIVE_X: texture->setImageNegX(level, width, height, format, type, context->getUnpackAlignment(), pixels); break; case GL_TEXTURE_CUBE_MAP_POSITIVE_Y: texture->setImagePosY(level, width, height, format, type, context->getUnpackAlignment(), pixels); break; case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y: texture->setImageNegY(level, width, height, format, type, context->getUnpackAlignment(), pixels); break; case GL_TEXTURE_CUBE_MAP_POSITIVE_Z: texture->setImagePosZ(level, width, height, format, type, context->getUnpackAlignment(), pixels); break; case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z: texture->setImageNegZ(level, width, height, format, type, context->getUnpackAlignment(), pixels); break; default: UNREACHABLE(); } } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glTexParameterf(GLenum target, GLenum pname, GLfloat param) { glTexParameteri(target, pname, (GLint)param); } void __stdcall glTexParameterfv(GLenum target, GLenum pname, const GLfloat* params) { glTexParameteri(target, pname, (GLint)*params); } void __stdcall glTexParameteri(GLenum target, GLenum pname, GLint param) { EVENT("(GLenum target = 0x%X, GLenum pname = 0x%X, GLint param = %d)", target, pname, param); try { gl::Context *context = gl::getContext(); if (context) { gl::Texture *texture; switch (target) { case GL_TEXTURE_2D: texture = context->getTexture2D(); break; case GL_TEXTURE_CUBE_MAP: texture = context->getTextureCubeMap(); break; default: return error(GL_INVALID_ENUM); } switch (pname) { case GL_TEXTURE_WRAP_S: if (!texture->setWrapS((GLenum)param)) { return error(GL_INVALID_ENUM); } break; case GL_TEXTURE_WRAP_T: if (!texture->setWrapT((GLenum)param)) { return error(GL_INVALID_ENUM); } break; case GL_TEXTURE_MIN_FILTER: if (!texture->setMinFilter((GLenum)param)) { return error(GL_INVALID_ENUM); } break; case GL_TEXTURE_MAG_FILTER: if (!texture->setMagFilter((GLenum)param)) { return error(GL_INVALID_ENUM); } break; default: return error(GL_INVALID_ENUM); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glTexParameteriv(GLenum target, GLenum pname, const GLint* params) { glTexParameteri(target, pname, *params); } void __stdcall glTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid* pixels) { EVENT("(GLenum target = 0x%X, GLint level = %d, GLint xoffset = %d, GLint yoffset = %d, " "GLsizei width = %d, GLsizei height = %d, GLenum format = 0x%X, GLenum type = 0x%X, " "const GLvoid* pixels = 0x%0.8p)", target, level, xoffset, yoffset, width, height, format, type, pixels); try { if (!gl::IsTextureTarget(target)) { return error(GL_INVALID_ENUM); } if (level < 0 || xoffset < 0 || yoffset < 0 || width < 0 || height < 0) { return error(GL_INVALID_VALUE); } if (std::numeric_limits<GLsizei>::max() - xoffset < width || std::numeric_limits<GLsizei>::max() - yoffset < height) { return error(GL_INVALID_VALUE); } if (!gl::CheckTextureFormatType(format, type)) { return error(GL_INVALID_ENUM); } if (width == 0 || height == 0 || pixels == NULL) { return; } gl::Context *context = gl::getContext(); if (context) { if (level > context->getMaximumTextureLevel()) { return error(GL_INVALID_VALUE); } if (format == GL_FLOAT) { if (!context->supportsFloatTextures()) { return error(GL_INVALID_ENUM); } } else if (format == GL_HALF_FLOAT_OES) { if (!context->supportsHalfFloatTextures()) { return error(GL_INVALID_ENUM); } } if (target == GL_TEXTURE_2D) { gl::Texture2D *texture = context->getTexture2D(); if (!texture) { return error(GL_INVALID_OPERATION); } if (texture->isCompressed()) { return error(GL_INVALID_OPERATION); } if (format != texture->getInternalFormat()) { return error(GL_INVALID_OPERATION); } texture->subImage(level, xoffset, yoffset, width, height, format, type, context->getUnpackAlignment(), pixels); } else if (gl::IsCubemapTextureTarget(target)) { gl::TextureCubeMap *texture = context->getTextureCubeMap(); if (!texture) { return error(GL_INVALID_OPERATION); } if (texture->isCompressed()) { return error(GL_INVALID_OPERATION); } if (format != texture->getInternalFormat()) { return error(GL_INVALID_OPERATION); } texture->subImage(target, level, xoffset, yoffset, width, height, format, type, context->getUnpackAlignment(), pixels); } else { UNREACHABLE(); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glUniform1f(GLint location, GLfloat x) { glUniform1fv(location, 1, &x); } void __stdcall glUniform1fv(GLint location, GLsizei count, const GLfloat* v) { EVENT("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v); try { if (count < 0) { return error(GL_INVALID_VALUE); } if (location == -1) { return; } gl::Context *context = gl::getContext(); if (context) { gl::Program *program = context->getCurrentProgram(); if (!program) { return error(GL_INVALID_OPERATION); } if (!program->setUniform1fv(location, count, v)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glUniform1i(GLint location, GLint x) { glUniform1iv(location, 1, &x); } void __stdcall glUniform1iv(GLint location, GLsizei count, const GLint* v) { EVENT("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v); try { if (count < 0) { return error(GL_INVALID_VALUE); } if (location == -1) { return; } gl::Context *context = gl::getContext(); if (context) { gl::Program *program = context->getCurrentProgram(); if (!program) { return error(GL_INVALID_OPERATION); } if (!program->setUniform1iv(location, count, v)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glUniform2f(GLint location, GLfloat x, GLfloat y) { GLfloat xy[2] = {x, y}; glUniform2fv(location, 1, (GLfloat*)&xy); } void __stdcall glUniform2fv(GLint location, GLsizei count, const GLfloat* v) { EVENT("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v); try { if (count < 0) { return error(GL_INVALID_VALUE); } if (location == -1) { return; } gl::Context *context = gl::getContext(); if (context) { gl::Program *program = context->getCurrentProgram(); if (!program) { return error(GL_INVALID_OPERATION); } if (!program->setUniform2fv(location, count, v)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glUniform2i(GLint location, GLint x, GLint y) { GLint xy[4] = {x, y}; glUniform2iv(location, 1, (GLint*)&xy); } void __stdcall glUniform2iv(GLint location, GLsizei count, const GLint* v) { EVENT("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v); try { if (count < 0) { return error(GL_INVALID_VALUE); } if (location == -1) { return; } gl::Context *context = gl::getContext(); if (context) { gl::Program *program = context->getCurrentProgram(); if (!program) { return error(GL_INVALID_OPERATION); } if (!program->setUniform2iv(location, count, v)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glUniform3f(GLint location, GLfloat x, GLfloat y, GLfloat z) { GLfloat xyz[3] = {x, y, z}; glUniform3fv(location, 1, (GLfloat*)&xyz); } void __stdcall glUniform3fv(GLint location, GLsizei count, const GLfloat* v) { EVENT("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v); try { if (count < 0) { return error(GL_INVALID_VALUE); } if (location == -1) { return; } gl::Context *context = gl::getContext(); if (context) { gl::Program *program = context->getCurrentProgram(); if (!program) { return error(GL_INVALID_OPERATION); } if (!program->setUniform3fv(location, count, v)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glUniform3i(GLint location, GLint x, GLint y, GLint z) { GLint xyz[3] = {x, y, z}; glUniform3iv(location, 1, (GLint*)&xyz); } void __stdcall glUniform3iv(GLint location, GLsizei count, const GLint* v) { EVENT("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v); try { if (count < 0) { return error(GL_INVALID_VALUE); } if (location == -1) { return; } gl::Context *context = gl::getContext(); if (context) { gl::Program *program = context->getCurrentProgram(); if (!program) { return error(GL_INVALID_OPERATION); } if (!program->setUniform3iv(location, count, v)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glUniform4f(GLint location, GLfloat x, GLfloat y, GLfloat z, GLfloat w) { GLfloat xyzw[4] = {x, y, z, w}; glUniform4fv(location, 1, (GLfloat*)&xyzw); } void __stdcall glUniform4fv(GLint location, GLsizei count, const GLfloat* v) { EVENT("(GLint location = %d, GLsizei count = %d, const GLfloat* v = 0x%0.8p)", location, count, v); try { if (count < 0) { return error(GL_INVALID_VALUE); } if (location == -1) { return; } gl::Context *context = gl::getContext(); if (context) { gl::Program *program = context->getCurrentProgram(); if (!program) { return error(GL_INVALID_OPERATION); } if (!program->setUniform4fv(location, count, v)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glUniform4i(GLint location, GLint x, GLint y, GLint z, GLint w) { GLint xyzw[4] = {x, y, z, w}; glUniform4iv(location, 1, (GLint*)&xyzw); } void __stdcall glUniform4iv(GLint location, GLsizei count, const GLint* v) { EVENT("(GLint location = %d, GLsizei count = %d, const GLint* v = 0x%0.8p)", location, count, v); try { if (count < 0) { return error(GL_INVALID_VALUE); } if (location == -1) { return; } gl::Context *context = gl::getContext(); if (context) { gl::Program *program = context->getCurrentProgram(); if (!program) { return error(GL_INVALID_OPERATION); } if (!program->setUniform4iv(location, count, v)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glUniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) { EVENT("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat* value = 0x%0.8p)", location, count, transpose, value); try { if (count < 0 || transpose != GL_FALSE) { return error(GL_INVALID_VALUE); } if (location == -1) { return; } gl::Context *context = gl::getContext(); if (context) { gl::Program *program = context->getCurrentProgram(); if (!program) { return error(GL_INVALID_OPERATION); } if (!program->setUniformMatrix2fv(location, count, value)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glUniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) { EVENT("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat* value = 0x%0.8p)", location, count, transpose, value); try { if (count < 0 || transpose != GL_FALSE) { return error(GL_INVALID_VALUE); } if (location == -1) { return; } gl::Context *context = gl::getContext(); if (context) { gl::Program *program = context->getCurrentProgram(); if (!program) { return error(GL_INVALID_OPERATION); } if (!program->setUniformMatrix3fv(location, count, value)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat* value) { EVENT("(GLint location = %d, GLsizei count = %d, GLboolean transpose = %d, const GLfloat* value = 0x%0.8p)", location, count, transpose, value); try { if (count < 0 || transpose != GL_FALSE) { return error(GL_INVALID_VALUE); } if (location == -1) { return; } gl::Context *context = gl::getContext(); if (context) { gl::Program *program = context->getCurrentProgram(); if (!program) { return error(GL_INVALID_OPERATION); } if (!program->setUniformMatrix4fv(location, count, value)) { return error(GL_INVALID_OPERATION); } } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glUseProgram(GLuint program) { EVENT("(GLuint program = %d)", program); try { gl::Context *context = gl::getContext(); if (context) { gl::Program *programObject = context->getProgram(program); if (!programObject && program != 0) { if (context->getShader(program)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } if (program != 0 && !programObject->isLinked()) { return error(GL_INVALID_OPERATION); } context->useProgram(program); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glValidateProgram(GLuint program) { EVENT("(GLuint program = %d)", program); try { gl::Context *context = gl::getContext(); if (context) { gl::Program *programObject = context->getProgram(program); if (!programObject) { if (context->getShader(program)) { return error(GL_INVALID_OPERATION); } else { return error(GL_INVALID_VALUE); } } programObject->validate(); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glVertexAttrib1f(GLuint index, GLfloat x) { EVENT("(GLuint index = %d, GLfloat x = %f)", index, x); try { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { GLfloat vals[4] = { x, 0, 0, 1 }; context->setVertexAttrib(index, vals); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glVertexAttrib1fv(GLuint index, const GLfloat* values) { EVENT("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values); try { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { GLfloat vals[4] = { values[0], 0, 0, 1 }; context->setVertexAttrib(index, vals); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glVertexAttrib2f(GLuint index, GLfloat x, GLfloat y) { EVENT("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f)", index, x, y); try { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { GLfloat vals[4] = { x, y, 0, 1 }; context->setVertexAttrib(index, vals); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glVertexAttrib2fv(GLuint index, const GLfloat* values) { EVENT("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values); try { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { GLfloat vals[4] = { values[0], values[1], 0, 1 }; context->setVertexAttrib(index, vals); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glVertexAttrib3f(GLuint index, GLfloat x, GLfloat y, GLfloat z) { EVENT("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f, GLfloat z = %f)", index, x, y, z); try { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { GLfloat vals[4] = { x, y, z, 1 }; context->setVertexAttrib(index, vals); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glVertexAttrib3fv(GLuint index, const GLfloat* values) { EVENT("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values); try { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { GLfloat vals[4] = { values[0], values[1], values[2], 1 }; context->setVertexAttrib(index, vals); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glVertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w) { EVENT("(GLuint index = %d, GLfloat x = %f, GLfloat y = %f, GLfloat z = %f, GLfloat w = %f)", index, x, y, z, w); try { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { GLfloat vals[4] = { x, y, z, w }; context->setVertexAttrib(index, vals); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glVertexAttrib4fv(GLuint index, const GLfloat* values) { EVENT("(GLuint index = %d, const GLfloat* values = 0x%0.8p)", index, values); try { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { context->setVertexAttrib(index, values); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glVertexAttribPointer(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid* ptr) { EVENT("(GLuint index = %d, GLint size = %d, GLenum type = 0x%X, " "GLboolean normalized = %d, GLsizei stride = %d, const GLvoid* ptr = 0x%0.8p)", index, size, type, normalized, stride, ptr); try { if (index >= gl::MAX_VERTEX_ATTRIBS) { return error(GL_INVALID_VALUE); } if (size < 1 || size > 4) { return error(GL_INVALID_VALUE); } switch (type) { case GL_BYTE: case GL_UNSIGNED_BYTE: case GL_SHORT: case GL_UNSIGNED_SHORT: case GL_FIXED: case GL_FLOAT: break; default: return error(GL_INVALID_ENUM); } if (stride < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { context->setVertexAttribState(index, context->getArrayBuffer(), size, type, (normalized == GL_TRUE), stride, ptr); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glViewport(GLint x, GLint y, GLsizei width, GLsizei height) { EVENT("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d)", x, y, width, height); try { if (width < 0 || height < 0) { return error(GL_INVALID_VALUE); } gl::Context *context = gl::getContext(); if (context) { context->setViewportParams(x, y, width, height); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glBlitFramebufferANGLE(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter) { EVENT("(GLint srcX0 = %d, GLint srcY0 = %d, GLint srcX1 = %d, GLint srcY1 = %d, " "GLint dstX0 = %d, GLint dstY0 = %d, GLint dstX1 = %d, GLint dstY1 = %d, " "GLbitfield mask = 0x%X, GLenum filter = 0x%X)", srcX0, srcY0, srcX1, srcX1, dstX0, dstY0, dstX1, dstY1, mask, filter); try { switch (filter) { case GL_NEAREST: break; default: return error(GL_INVALID_ENUM); } if ((mask & ~(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)) != 0) { return error(GL_INVALID_VALUE); } if (srcX1 - srcX0 != dstX1 - dstX0 || srcY1 - srcY0 != dstY1 - dstY0) { ERR("Scaling and flipping in BlitFramebufferANGLE not supported by this implementation"); return error(GL_INVALID_OPERATION); } gl::Context *context = gl::getContext(); if (context) { if (context->getReadFramebufferHandle() == context->getDrawFramebufferHandle()) { ERR("Blits with the same source and destination framebuffer are not supported by this implementation."); return error(GL_INVALID_OPERATION); } context->blitFramebuffer(srcX0, srcY0, srcX1, srcY1, dstX0, dstY0, dstX1, dstY1, mask); } } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } void __stdcall glTexImage3DOES(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid* pixels) { EVENT("(GLenum target = 0x%X, GLint level = %d, GLenum internalformat = 0x%X, " "GLsizei width = %d, GLsizei height = %d, GLsizei depth = %d, GLint border = %d, " "GLenum format = 0x%X, GLenum type = 0x%x, const GLvoid* pixels = 0x%0.8p)", target, level, internalformat, width, height, depth, border, format, type, pixels); try { UNIMPLEMENTED(); // FIXME } catch(std::bad_alloc&) { return error(GL_OUT_OF_MEMORY); } } __eglMustCastToProperFunctionPointerType __stdcall glGetProcAddress(const char *procname) { struct Extension { const char *name; __eglMustCastToProperFunctionPointerType address; }; static const Extension glExtensions[] = { {"glTexImage3DOES", (__eglMustCastToProperFunctionPointerType)glTexImage3DOES}, {"glBlitFramebufferANGLE", (__eglMustCastToProperFunctionPointerType)glBlitFramebufferANGLE}, {"glRenderbufferStorageMultisampleANGLE", (__eglMustCastToProperFunctionPointerType)glRenderbufferStorageMultisampleANGLE}, {"glDeleteFencesNV", (__eglMustCastToProperFunctionPointerType)glDeleteFencesNV}, {"glGenFencesNV", (__eglMustCastToProperFunctionPointerType)glGenFencesNV}, {"glIsFenceNV", (__eglMustCastToProperFunctionPointerType)glIsFenceNV}, {"glTestFenceNV", (__eglMustCastToProperFunctionPointerType)glTestFenceNV}, {"glGetFenceivNV", (__eglMustCastToProperFunctionPointerType)glGetFenceivNV}, {"glFinishFenceNV", (__eglMustCastToProperFunctionPointerType)glFinishFenceNV}, {"glSetFenceNV", (__eglMustCastToProperFunctionPointerType)glSetFenceNV}, }; for (int ext = 0; ext < sizeof(glExtensions) / sizeof(Extension); ext++) { if (strcmp(procname, glExtensions[ext].name) == 0) { return (__eglMustCastToProperFunctionPointerType)glExtensions[ext].address; } } return NULL; } }