Commit 0c2e10dce4596aa114be06a5e56521638d4bf8e5
2018-10-01T22:53:45
render: Make the GL backends cache and defer more state changes.
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diff --git a/src/render/opengl/SDL_render_gl.c b/src/render/opengl/SDL_render_gl.c
index 529c670..ef8507e 100644
--- a/src/render/opengl/SDL_render_gl.c
+++ b/src/render/opengl/SDL_render_gl.c
@@ -62,11 +62,17 @@ struct GL_FBOList
typedef struct
{
+ SDL_bool viewport_dirty;
SDL_Rect viewport;
SDL_Texture *texture;
+ SDL_Texture *target;
+ int drawablew;
+ int drawableh;
SDL_BlendMode blend;
GL_Shader shader;
+ SDL_bool cliprect_enabled_dirty;
SDL_bool cliprect_enabled;
+ SDL_bool cliprect_dirty;
SDL_Rect cliprect;
SDL_bool texturing;
Uint32 color;
@@ -934,6 +940,42 @@ SetDrawState(GL_RenderData *data, const SDL_RenderCommand *cmd, const GL_Shader
{
const SDL_BlendMode blend = cmd->data.draw.blend;
+ if (data->drawstate.viewport_dirty) {
+ const SDL_bool istarget = data->drawstate.target != NULL;
+ const SDL_Rect *viewport = &data->drawstate.viewport;
+ data->glMatrixMode(GL_PROJECTION);
+ data->glLoadIdentity();
+ data->glViewport(viewport->x,
+ istarget ? viewport->y : (data->drawstate.drawableh - viewport->y - viewport->h),
+ viewport->w, viewport->h);
+ if (viewport->w && viewport->h) {
+ data->glOrtho((GLdouble) 0, (GLdouble) viewport->w,
+ (GLdouble) istarget ? 0 : viewport->h,
+ (GLdouble) istarget ? viewport->h : 0,
+ 0.0, 1.0);
+ }
+ data->glMatrixMode(GL_MODELVIEW);
+ data->drawstate.viewport_dirty = SDL_FALSE;
+ }
+
+ if (data->drawstate.cliprect_enabled_dirty) {
+ if (!data->drawstate.cliprect_enabled) {
+ data->glDisable(GL_SCISSOR_TEST);
+ } else {
+ data->glEnable(GL_SCISSOR_TEST);
+ }
+ data->drawstate.cliprect_enabled_dirty = SDL_FALSE;
+ }
+
+ if (data->drawstate.cliprect_enabled && data->drawstate.cliprect_dirty) {
+ const SDL_Rect *viewport = &data->drawstate.viewport;
+ const SDL_Rect *rect = &data->drawstate.cliprect;
+ data->glScissor(viewport->x + rect->x,
+ data->drawstate.target ? viewport->y + rect->y : data->drawstate.drawableh - viewport->y - rect->y - rect->h,
+ rect->w, rect->h);
+ data->drawstate.cliprect_dirty = SDL_FALSE;
+ }
+
if (blend != data->drawstate.blend) {
if (blend == SDL_BLENDMODE_NONE) {
data->glDisable(GL_BLEND);
@@ -1035,18 +1077,18 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
{
/* !!! FIXME: it'd be nice to use a vertex buffer instead of immediate mode... */
GL_RenderData *data = (GL_RenderData *) renderer->driverdata;
- int drawablew = 0, drawableh = 0;
- const SDL_bool istarget = renderer->target != NULL;
size_t i;
if (GL_ActivateRenderer(renderer) < 0) {
return -1;
}
- if (!istarget) {
- SDL_GL_GetDrawableSize(renderer->window, &drawablew, &drawableh);
+ data->drawstate.target = renderer->target;
+ if (!data->drawstate.target) {
+ SDL_GL_GetDrawableSize(renderer->window, &data->drawstate.drawablew, &data->drawstate.drawableh);
}
+
while (cmd) {
switch (cmd->command) {
case SDL_RENDERCMD_SETDRAWCOLOR: {
@@ -1069,18 +1111,7 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
SDL_Rect *viewport = &data->drawstate.viewport;
if (SDL_memcmp(viewport, &cmd->data.viewport.rect, sizeof (SDL_Rect)) != 0) {
SDL_memcpy(viewport, &cmd->data.viewport.rect, sizeof (SDL_Rect));
- data->glMatrixMode(GL_PROJECTION);
- data->glLoadIdentity();
- data->glViewport(viewport->x,
- istarget ? viewport->y : (drawableh - viewport->y - viewport->h),
- viewport->w, viewport->h);
- if (viewport->w && viewport->h) {
- data->glOrtho((GLdouble) 0, (GLdouble) viewport->w,
- (GLdouble) istarget ? 0 : viewport->h,
- (GLdouble) istarget ? viewport->h : 0,
- 0.0, 1.0);
- }
- data->glMatrixMode(GL_MODELVIEW);
+ data->drawstate.viewport_dirty = SDL_TRUE;
}
break;
}
@@ -1089,18 +1120,11 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
const SDL_Rect *rect = &cmd->data.cliprect.rect;
if (data->drawstate.cliprect_enabled != cmd->data.cliprect.enabled) {
data->drawstate.cliprect_enabled = cmd->data.cliprect.enabled;
- if (!data->drawstate.cliprect_enabled) {
- data->glDisable(GL_SCISSOR_TEST);
- } else {
- const SDL_Rect *viewport = &data->drawstate.viewport;
- data->glEnable(GL_SCISSOR_TEST);
- if (SDL_memcmp(&data->drawstate.cliprect, rect, sizeof (SDL_Rect)) != 0) {
- data->glScissor(viewport->x + rect->x,
- istarget ? viewport->y + rect->y : drawableh - viewport->y - rect->y - rect->h,
- rect->w, rect->h);
- SDL_memcpy(&data->drawstate.cliprect, rect, sizeof (SDL_Rect));
- }
- }
+ data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
+ }
+ if (SDL_memcmp(&data->drawstate.cliprect, rect, sizeof (SDL_Rect)) != 0) {
+ SDL_memcpy(&data->drawstate.cliprect, rect, sizeof (SDL_Rect));
+ data->drawstate.cliprect_dirty = SDL_TRUE;
}
break;
}
@@ -1122,13 +1146,11 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic
if (data->drawstate.cliprect_enabled) {
data->glDisable(GL_SCISSOR_TEST);
+ data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
}
data->glClear(GL_COLOR_BUFFER_BIT);
- if (data->drawstate.cliprect_enabled) {
- data->glEnable(GL_SCISSOR_TEST);
- }
break;
}
diff --git a/src/render/opengles/SDL_render_gles.c b/src/render/opengles/SDL_render_gles.c
index 64801db..6f662af 100644
--- a/src/render/opengles/SDL_render_gles.c
+++ b/src/render/opengles/SDL_render_gles.c
@@ -64,9 +64,15 @@ struct GLES_FBOList
typedef struct
{
SDL_Rect viewport;
+ SDL_bool viewport_dirty;
SDL_Texture *texture;
+ SDL_Texture *target;
+ int drawablew;
+ int drawableh;
SDL_BlendMode blend;
+ SDL_bool cliprect_enabled_dirty;
SDL_bool cliprect_enabled;
+ SDL_bool cliprect_dirty;
SDL_Rect cliprect;
SDL_bool texturing;
Uint32 color;
@@ -692,6 +698,57 @@ static void
SetDrawState(GLES_RenderData *data, const SDL_RenderCommand *cmd)
{
const SDL_BlendMode blend = cmd->data.draw.blend;
+ const Uint8 r = cmd->data.color.r;
+ const Uint8 g = cmd->data.color.g;
+ const Uint8 b = cmd->data.color.b;
+ const Uint8 a = cmd->data.color.a;
+ const Uint32 color = ((a << 24) | (r << 16) | (g << 8) | b);
+
+ if (color != data->drawstate.color) {
+ const GLfloat fr = ((GLfloat) r) * inv255f;
+ const GLfloat fg = ((GLfloat) g) * inv255f;
+ const GLfloat fb = ((GLfloat) b) * inv255f;
+ const GLfloat fa = ((GLfloat) a) * inv255f;
+ data->glColor4f(fr, fg, fb, fa);
+ data->drawstate.color = color;
+ }
+
+ if (data->drawstate.viewport_dirty) {
+ const SDL_Rect *viewport = &data->drawstate.viewport;
+ const SDL_bool istarget = (data->drawstate.target != NULL);
+ data->glMatrixMode(GL_PROJECTION);
+ data->glLoadIdentity();
+ data->glViewport(viewport->x,
+ istarget ? viewport->y : (data->drawstate.drawableh - viewport->y - viewport->h),
+ viewport->w, viewport->h);
+ if (viewport->w && viewport->h) {
+ data->glOrthof((GLfloat) 0, (GLfloat) viewport->w,
+ (GLfloat) istarget ? 0 : viewport->h,
+ (GLfloat) istarget ? viewport->h : 0,
+ 0.0, 1.0);
+ }
+ data->glMatrixMode(GL_MODELVIEW);
+ data->drawstate.viewport_dirty = SDL_FALSE;
+ }
+
+ if (data->drawstate.cliprect_enabled_dirty) {
+ if (data->drawstate.cliprect_enabled) {
+ data->glEnable(GL_SCISSOR_TEST);
+ } else {
+ data->glDisable(GL_SCISSOR_TEST);
+ }
+ data->drawstate.cliprect_enabled_dirty = SDL_FALSE;
+ }
+
+ if (data->drawstate.cliprect_enabled && data->drawstate.cliprect_dirty) {
+ const SDL_Rect *viewport = &data->drawstate.viewport;
+ const SDL_Rect *rect = &data->drawstate.cliprect;
+ const SDL_bool istarget = (data->drawstate.target != NULL);
+ data->glScissor(viewport->x + rect->x,
+ istarget ? viewport->y + rect->y : data->drawstate.drawableh - viewport->y - rect->y - rect->h,
+ rect->w, rect->h);
+ data->drawstate.cliprect_dirty = SDL_FALSE;
+ }
if (blend != data->drawstate.blend) {
if (blend == SDL_BLENDMODE_NONE) {
@@ -747,52 +804,29 @@ static int
GLES_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertices, size_t vertsize)
{
GLES_RenderData *data = (GLES_RenderData *) renderer->driverdata;
- int drawablew = 0, drawableh = 0;
- const SDL_bool istarget = renderer->target != NULL;
size_t i;
if (GLES_ActivateRenderer(renderer) < 0) {
return -1;
}
- if (!istarget) {
- SDL_GL_GetDrawableSize(renderer->window, &drawablew, &drawableh);
+ data->drawstate.target = renderer->target;
+
+ if (!renderer->target) {
+ SDL_GL_GetDrawableSize(renderer->window, &data->drawstate.drawablew, &data->drawstate.drawableh);
}
while (cmd) {
switch (cmd->command) {
case SDL_RENDERCMD_SETDRAWCOLOR: {
- const Uint8 r = cmd->data.color.r;
- const Uint8 g = cmd->data.color.g;
- const Uint8 b = cmd->data.color.b;
- const Uint8 a = cmd->data.color.a;
- const Uint32 color = ((a << 24) | (r << 16) | (g << 8) | b);
- if (color != data->drawstate.color) {
- data->glColor4f((GLfloat) r * inv255f,
- (GLfloat) g * inv255f,
- (GLfloat) b * inv255f,
- (GLfloat) a * inv255f);
- data->drawstate.color = color;
- }
- break;
+ break; /* not used in this render backend. */
}
case SDL_RENDERCMD_SETVIEWPORT: {
SDL_Rect *viewport = &data->drawstate.viewport;
if (SDL_memcmp(viewport, &cmd->data.viewport.rect, sizeof (SDL_Rect)) != 0) {
SDL_memcpy(viewport, &cmd->data.viewport.rect, sizeof (SDL_Rect));
- data->glMatrixMode(GL_PROJECTION);
- data->glLoadIdentity();
- data->glViewport(viewport->x,
- istarget ? viewport->y : (drawableh - viewport->y - viewport->h),
- viewport->w, viewport->h);
- if (viewport->w && viewport->h) {
- data->glOrthof((GLfloat) 0, (GLfloat) viewport->w,
- (GLfloat) istarget ? 0 : viewport->h,
- (GLfloat) istarget ? viewport->h : 0,
- 0.0, 1.0);
- }
- data->glMatrixMode(GL_MODELVIEW);
+ data->drawstate.viewport_dirty = SDL_TRUE;
}
break;
}
@@ -801,18 +835,11 @@ GLES_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vert
const SDL_Rect *rect = &cmd->data.cliprect.rect;
if (data->drawstate.cliprect_enabled != cmd->data.cliprect.enabled) {
data->drawstate.cliprect_enabled = cmd->data.cliprect.enabled;
- if (!data->drawstate.cliprect_enabled) {
- data->glDisable(GL_SCISSOR_TEST);
- } else {
- const SDL_Rect *viewport = &data->drawstate.viewport;
- data->glEnable(GL_SCISSOR_TEST);
- if (SDL_memcmp(&data->drawstate.cliprect, rect, sizeof (SDL_Rect)) != 0) {
- data->glScissor(viewport->x + rect->x,
- istarget ? viewport->y + rect->y : drawableh - viewport->y - rect->y - rect->h,
- rect->w, rect->h);
- SDL_memcpy(&data->drawstate.cliprect, rect, sizeof (SDL_Rect));
- }
- }
+ data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
+ }
+ if (SDL_memcmp(&data->drawstate.cliprect, rect, sizeof (SDL_Rect)) != 0) {
+ SDL_memcpy(&data->drawstate.cliprect, rect, sizeof (SDL_Rect));
+ data->drawstate.cliprect_dirty = SDL_TRUE;
}
break;
}
@@ -834,13 +861,11 @@ GLES_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vert
if (data->drawstate.cliprect_enabled) {
data->glDisable(GL_SCISSOR_TEST);
+ data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
}
data->glClear(GL_COLOR_BUFFER_BIT);
- if (data->drawstate.cliprect_enabled) {
- data->glEnable(GL_SCISSOR_TEST);
- }
break;
}
diff --git a/src/render/opengles2/SDL_render_gles2.c b/src/render/opengles2/SDL_render_gles2.c
index ff2bce2..1acc25e 100644
--- a/src/render/opengles2/SDL_render_gles2.c
+++ b/src/render/opengles2/SDL_render_gles2.c
@@ -136,14 +136,20 @@ typedef enum
typedef struct
{
SDL_Rect viewport;
+ SDL_bool viewport_dirty;
SDL_Texture *texture;
+ SDL_Texture *target;
SDL_BlendMode blend;
+ SDL_bool cliprect_enabled_dirty;
SDL_bool cliprect_enabled;
+ SDL_bool cliprect_dirty;
SDL_Rect cliprect;
SDL_bool texturing;
SDL_bool is_copy_ex;
Uint32 color;
Uint32 clear_color;
+ int drawablew;
+ int drawableh;
GLES2_ProgramCacheEntry *program;
GLfloat projection[4][4];
} GLES2_DrawStateCache;
@@ -944,6 +950,37 @@ SetDrawState(GLES2_RenderData *data, const SDL_RenderCommand *cmd, const GLES2_I
SDL_assert((texture != NULL) == (imgsrc != GLES2_IMAGESOURCE_SOLID));
+ if (data->drawstate.viewport_dirty) {
+ const SDL_Rect *viewport = &data->drawstate.viewport;
+ data->glViewport(viewport->x,
+ data->drawstate.target ? viewport->y : (data->drawstate.drawableh - viewport->y - viewport->h),
+ viewport->w, viewport->h);
+ if (viewport->w && viewport->h) {
+ data->drawstate.projection[0][0] = 2.0f / viewport->w;
+ data->drawstate.projection[1][1] = (data->drawstate.target ? 2.0f : -2.0f) / viewport->h;
+ data->drawstate.projection[3][1] = data->drawstate.target ? -1.0f : 1.0f;
+ }
+ data->drawstate.viewport_dirty = SDL_FALSE;
+ }
+
+ if (data->drawstate.cliprect_enabled_dirty) {
+ if (!data->drawstate.cliprect_enabled) {
+ data->glDisable(GL_SCISSOR_TEST);
+ } else {
+ data->glEnable(GL_SCISSOR_TEST);
+ }
+ data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
+ }
+
+ if (data->drawstate.cliprect_enabled && data->drawstate.cliprect_dirty) {
+ const SDL_Rect *viewport = &data->drawstate.viewport;
+ const SDL_Rect *rect = &data->drawstate.cliprect;
+ data->glScissor(viewport->x + rect->x,
+ data->drawstate.target ? viewport->y + rect->y : data->drawstate.drawableh - viewport->y - rect->y - rect->h,
+ rect->w, rect->h);
+ SDL_memcpy(&data->drawstate.cliprect, rect, sizeof (SDL_Rect));
+ }
+
if (texture != data->drawstate.texture) {
if ((texture != NULL) != data->drawstate.texturing) {
if (texture == NULL) {
@@ -1157,16 +1194,15 @@ GLES2_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *ver
const SDL_bool colorswap = (renderer->target && (renderer->target->format == SDL_PIXELFORMAT_ARGB8888 || renderer->target->format == SDL_PIXELFORMAT_RGB888));
const int vboidx = data->current_vertex_buffer;
const GLuint vbo = data->vertex_buffers[vboidx];
- int drawablew = 0, drawableh = 0;
- const SDL_bool istarget = renderer->target != NULL;
size_t i;
if (GLES2_ActivateRenderer(renderer) < 0) {
return -1;
}
- if (!istarget) {
- SDL_GL_GetDrawableSize(renderer->window, &drawablew, &drawableh);
+ data->drawstate.target = renderer->target;
+ if (!data->drawstate.target) {
+ SDL_GL_GetDrawableSize(renderer->window, &data->drawstate.drawablew, &data->drawstate.drawableh);
}
/* upload the new VBO data for this set of commands. */
@@ -1199,14 +1235,7 @@ GLES2_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *ver
SDL_Rect *viewport = &data->drawstate.viewport;
if (SDL_memcmp(viewport, &cmd->data.viewport.rect, sizeof (SDL_Rect)) != 0) {
SDL_memcpy(viewport, &cmd->data.viewport.rect, sizeof (SDL_Rect));
- data->glViewport(viewport->x,
- istarget ? viewport->y : (drawableh - viewport->y - viewport->h),
- viewport->w, viewport->h);
- if (viewport->w && viewport->h) {
- data->drawstate.projection[0][0] = 2.0f / viewport->w;
- data->drawstate.projection[1][1] = (renderer->target ? 2.0f : -2.0f) / viewport->h;
- data->drawstate.projection[3][1] = renderer->target ? -1.0f : 1.0f;
- }
+ data->drawstate.viewport_dirty = SDL_TRUE;
}
break;
}
@@ -1215,32 +1244,26 @@ GLES2_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *ver
const SDL_Rect *rect = &cmd->data.cliprect.rect;
if (data->drawstate.cliprect_enabled != cmd->data.cliprect.enabled) {
data->drawstate.cliprect_enabled = cmd->data.cliprect.enabled;
- if (!data->drawstate.cliprect_enabled) {
- data->glDisable(GL_SCISSOR_TEST);
- } else {
- const SDL_Rect *viewport = &data->drawstate.viewport;
- data->glEnable(GL_SCISSOR_TEST);
- if (SDL_memcmp(&data->drawstate.cliprect, rect, sizeof (SDL_Rect)) != 0) {
- data->glScissor(viewport->x + rect->x,
- istarget ? viewport->y + rect->y : drawableh - viewport->y - rect->y - rect->h,
- rect->w, rect->h);
- SDL_memcpy(&data->drawstate.cliprect, rect, sizeof (SDL_Rect));
- }
- }
+ data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
+ }
+
+ if (SDL_memcmp(&data->drawstate.cliprect, rect, sizeof (SDL_Rect)) != 0) {
+ SDL_memcpy(&data->drawstate.cliprect, rect, sizeof (SDL_Rect));
+ data->drawstate.cliprect_dirty = SDL_TRUE;
}
break;
}
case SDL_RENDERCMD_CLEAR: {
- const Uint8 r = cmd->data.color.r;
+ const Uint8 r = colorswap ? cmd->data.color.b : cmd->data.color.r;
const Uint8 g = cmd->data.color.g;
- const Uint8 b = cmd->data.color.b;
+ const Uint8 b = colorswap ? cmd->data.color.r : cmd->data.color.b;
const Uint8 a = cmd->data.color.a;
const Uint32 color = ((a << 24) | (r << 16) | (g << 8) | b);
if (color != data->drawstate.clear_color) {
- const GLfloat fr = ((GLfloat) colorswap ? b : r) * inv255f;
+ const GLfloat fr = ((GLfloat) r) * inv255f;
const GLfloat fg = ((GLfloat) g) * inv255f;
- const GLfloat fb = ((GLfloat) colorswap ? r : b) * inv255f;
+ const GLfloat fb = ((GLfloat) b) * inv255f;
const GLfloat fa = ((GLfloat) a) * inv255f;
data->glClearColor(fr, fg, fb, fa);
data->drawstate.clear_color = color;
@@ -1248,13 +1271,10 @@ GLES2_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *ver
if (data->drawstate.cliprect_enabled) {
data->glDisable(GL_SCISSOR_TEST);
+ data->drawstate.cliprect_enabled_dirty = SDL_TRUE;
}
data->glClear(GL_COLOR_BUFFER_BIT);
-
- if (data->drawstate.cliprect_enabled) {
- data->glEnable(GL_SCISSOR_TEST);
- }
break;
}