kc3-lang/angle/util/shader_utils.h

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• Hash : 35cd7332
  Author :
  Date : 2018-12-02T12:03:33
  

  Refactor test shader style.
  
  This change enforces a lot more consistency. We pass const char * to
  the Compile functions instead of std::string. Also fixes the
  indentation of C++11 block comments to be more consistent.
  
  Bug: angleproject:2995
  Change-Id: Id6e5ea94055d8cbd420df4ea2e81b2d96cb5ce78
  Reviewed-on: https://chromium-review.googlesource.com/c/1357103
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• util/shader_utils.h

• //
  // Copyright (c) 2014 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.
  //
  
  #ifndef SAMPLE_UTIL_SHADER_UTILS_H
  #define SAMPLE_UTIL_SHADER_UTILS_H
  
  #include <EGL/egl.h>
  #include <EGL/eglext.h>
  #include <GLES2/gl2.h>
  #include <GLES2/gl2ext.h>
  #include <GLES3/gl3.h>
  #include <GLES3/gl31.h>
  #include <export.h>
  
  #include <functional>
  #include <string>
  #include <vector>
  
  struct ShaderFuncs;
  
  ANGLE_EXPORT GLuint CheckLinkStatusAndReturnProgram(GLuint program, bool outputErrorMessages);
  ANGLE_EXPORT GLuint CompileShader(GLenum type, const char *source);
  ANGLE_EXPORT GLuint CompileShaderFromFile(GLenum type, const std::string &sourcePath);
  
  ANGLE_EXPORT GLuint
  CompileProgramWithTransformFeedback(const char *vsSource,
                                      const char *fsSource,
                                      const std::vector<std::string> &transformFeedbackVaryings,
                                      GLenum bufferMode);
  
  ANGLE_EXPORT GLuint CompileProgram(const char *vsSource, const char *fsSource);
  
  ANGLE_EXPORT GLuint CompileProgram(const char *vsSource,
                                     const char *fsSource,
                                     const std::function<void(GLuint)> &preLinkCallback);
  
  ANGLE_EXPORT GLuint CompileProgramWithGS(const char *vsSource,
                                           const char *gsSource,
                                           const char *fsSource);
  ANGLE_EXPORT GLuint CompileProgramFromFiles(const std::string &vsPath, const std::string &fsPath);
  ANGLE_EXPORT GLuint CompileComputeProgram(const char *csSource, bool outputErrorMessages = true);
  ANGLE_EXPORT bool LinkAttachedProgram(GLuint program);
  
  ANGLE_EXPORT GLuint LoadBinaryProgramOES(const std::vector<uint8_t> &binary, GLenum binaryFormat);
  ANGLE_EXPORT GLuint LoadBinaryProgramES3(const std::vector<uint8_t> &binary, GLenum binaryFormat);
  
  namespace angle
  {
  
  namespace essl1_shaders
  {
  
  ANGLE_EXPORT const char *PositionAttrib();
  ANGLE_EXPORT const char *ColorUniform();
  
  namespace vs
  {
  
  // A shader that sets gl_Position to zero.
  ANGLE_EXPORT const char *Zero();
  
  // A shader that sets gl_Position to attribute a_position.
  ANGLE_EXPORT const char *Simple();
  
  // A shader that passes through attribute a_position, setting it to gl_Position and varying
  // v_position.
  ANGLE_EXPORT const char *Passthrough();
  
  }  // namespace vs
  
  namespace fs
  {
  
  // A shader that renders a simple checker pattern of red and green. X axis and y axis separate the
  // different colors. Needs varying v_position.
  ANGLE_EXPORT const char *Checkered();
  
  // A shader that fills with color taken from uniform named "color".
  ANGLE_EXPORT const char *UniformColor();
  
  // A shader that fills with 100% opaque red.
  ANGLE_EXPORT const char *Red();
  
  // A shader that fills with 100% opaque green.
  ANGLE_EXPORT const char *Green();
  
  // A shader that fills with 100% opaque blue.
  ANGLE_EXPORT const char *Blue();
  
  }  // namespace fs
  }  // namespace essl1_shaders
  
  namespace essl3_shaders
  {
  
  ANGLE_EXPORT const char *PositionAttrib();
  
  namespace vs
  {
  
  // A shader that sets gl_Position to zero.
  ANGLE_EXPORT const char *Zero();
  
  // A shader that sets gl_Position to attribute a_position.
  ANGLE_EXPORT const char *Simple();
  
  // A shader that simply passes through attribute a_position, setting it to gl_Position and varying
  // v_position.
  ANGLE_EXPORT const char *Passthrough();
  
  }  // namespace vs
  
  namespace fs
  {
  
  // A shader that fills with 100% opaque red.
  ANGLE_EXPORT const char *Red();
  
  }  // namespace fs
  }  // namespace essl3_shaders
  
  namespace essl31_shaders
  {
  
  ANGLE_EXPORT const char *PositionAttrib();
  
  namespace vs
  {
  
  // A shader that sets gl_Position to zero.
  ANGLE_EXPORT const char *Zero();
  
  // A shader that sets gl_Position to attribute a_position.
  ANGLE_EXPORT const char *Simple();
  
  // A shader that simply passes through attribute a_position, setting it to gl_Position and varying
  // v_position.
  ANGLE_EXPORT const char *Passthrough();
  
  }  // namespace vs
  
  namespace fs
  {
  
  // A shader that fills with 100% opaque red.
  ANGLE_EXPORT const char *Red();
  
  }  // namespace fs
  }  // namespace essl31_shaders
  }  // namespace angle
  
  #endif  // SAMPLE_UTIL_SHADER_UTILS_H
  

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