diff --git a/src/render/opengl/SDL_render_gl.c b/src/render/opengl/SDL_render_gl.c index af0856075..765f49c7d 100644 --- a/src/render/opengl/SDL_render_gl.c +++ b/src/render/opengl/SDL_render_gl.c @@ -1161,23 +1161,12 @@ GL_QueueCopyEx(SDL_Renderer * renderer, SDL_RenderCommand *cmd, SDL_Texture * te } static void -SetDrawState(const GL_RenderData *data, const SDL_RenderCommand *cmd, const GL_Shader shader, - Uint32 *current_color, SDL_BlendMode *current_blend, GL_Shader *current_shader, - SDL_bool *current_texturing) +SetDrawState(const GL_RenderData *data, const SDL_RenderCommand *cmd, + const GL_Shader shader, SDL_BlendMode *current_blend, + GL_Shader *current_shader, SDL_bool *current_texturing) { - const Uint8 r = cmd->data.draw.r; - const Uint8 g = cmd->data.draw.g; - const Uint8 b = cmd->data.draw.b; - const Uint8 a = cmd->data.draw.a; - const Uint32 color = ((a << 24) | (r << 16) | (g << 8) | b); const SDL_BlendMode blend = cmd->data.draw.blend; - if (color != *current_color) { - data->glColor4f((GLfloat) r * inv255f, (GLfloat) g * inv255f, - (GLfloat) b * inv255f, (GLfloat) a * inv255f); - *current_color = color; - } - if (blend != *current_blend) { if (blend == SDL_BLENDMODE_NONE) { data->glDisable(GL_BLEND); @@ -1210,7 +1199,7 @@ SetDrawState(const GL_RenderData *data, const SDL_RenderCommand *cmd, const GL_S static void SetCopyState(const GL_RenderData *data, const SDL_RenderCommand *cmd, - Uint32 *current_color, SDL_BlendMode *current_blend, GL_Shader *current_shader, + SDL_BlendMode *current_blend, GL_Shader *current_shader, SDL_bool *current_texturing, SDL_Texture **current_texture) { SDL_Texture *texture = cmd->data.draw.texture; @@ -1254,7 +1243,7 @@ SetCopyState(const GL_RenderData *data, const SDL_RenderCommand *cmd, } } - SetDrawState(data, cmd, shader, current_color, current_blend, current_shader, current_texturing); + SetDrawState(data, cmd, shader, current_blend, current_shader, current_texturing); if (texture != *current_texture) { const GLenum textype = data->textype; @@ -1281,23 +1270,16 @@ 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; - SDL_bool clipping_enabled = renderer->clipping_enabled; SDL_Rect viewport; SDL_Texture *bound_texture = NULL; SDL_BlendMode blend = SDL_BLENDMODE_INVALID; GL_Shader shader = SHADER_INVALID; int drawablew = 0, drawableh = 0; SDL_bool cliprect_enabled = SDL_FALSE; - SDL_Rect cliprect; const SDL_bool istarget = renderer->target != NULL; - Uint32 clear_color = ((renderer->a << 24) | (renderer->r << 16) | (renderer->g << 8) | renderer->b); - Uint32 draw_color = clear_color; SDL_bool texturing = SDL_FALSE; size_t i; - /* !!! FIXME: if we could guarantee the app isn't messing with the GL, too, we wouldn't - !!! FIXME: have to default a bunch of this state at the start. */ - if (GL_ActivateRenderer(renderer) < 0) { return -1; } @@ -1306,85 +1288,47 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic SDL_GL_GetDrawableSize(renderer->window, &drawablew, &drawableh); } - data->glClearColor((GLfloat) renderer->r * inv255f, - (GLfloat) renderer->g * inv255f, - (GLfloat) renderer->b * inv255f, - (GLfloat) renderer->a * inv255f); - - data->glColor4f((GLfloat) renderer->r * inv255f, - (GLfloat) renderer->g * inv255f, - (GLfloat) renderer->b * inv255f, - (GLfloat) renderer->a * inv255f); - - SDL_memcpy(&viewport, &renderer->viewport, sizeof (viewport)); - 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) renderer->viewport.w, - (GLdouble) istarget ? 0 : renderer->viewport.h, - (GLdouble) istarget ? renderer->viewport.h : 0, - 0.0, 1.0); - } + data->glDisable(data->textype); data->glMatrixMode(GL_MODELVIEW); data->glLoadIdentity(); - SDL_memcpy(&cliprect, &renderer->clip_rect, sizeof (cliprect)); - cliprect_enabled = renderer->clipping_enabled; - if (cliprect_enabled) { - data->glEnable(GL_SCISSOR_TEST); - } else { - data->glDisable(GL_SCISSOR_TEST); - } - - data->glDisable(data->textype); - - data->glScissor(viewport.x + cliprect.x, - istarget ? viewport.y + cliprect.y : drawableh - viewport.y - cliprect.y - cliprect.h, - cliprect.w, cliprect.h); - while (cmd) { switch (cmd->command) { case SDL_RENDERCMD_SETDRAWCOLOR: { - // !!! FIXME: use this. + data->glColor4f((GLfloat) cmd->data.color.r * inv255f, + (GLfloat) cmd->data.color.g * inv255f, + (GLfloat) cmd->data.color.b * inv255f, + (GLfloat) cmd->data.color.a * inv255f); break; } case SDL_RENDERCMD_SETVIEWPORT: { - if (SDL_memcmp(&cmd->data.viewport.rect, &viewport, sizeof (viewport)) != 0) { - SDL_memcpy(&viewport, &cmd->data.viewport.rect, sizeof (viewport)); - data->glMatrixMode(GL_PROJECTION); - data->glLoadIdentity(); - data->glViewport(viewport.x, + SDL_memcpy(&viewport, &cmd->data.viewport.rect, sizeof (viewport)); + 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) renderer->viewport.w, - (GLdouble) istarget ? 0 : renderer->viewport.h, - (GLdouble) istarget ? renderer->viewport.h : 0, - 0.0, 1.0); - } - data->glMatrixMode(GL_MODELVIEW); + if (viewport.w && viewport.h) { + data->glOrtho((GLdouble) 0, (GLdouble) renderer->viewport.w, + (GLdouble) istarget ? 0 : renderer->viewport.h, + (GLdouble) istarget ? renderer->viewport.h : 0, + 0.0, 1.0); } + data->glMatrixMode(GL_MODELVIEW); break; } case SDL_RENDERCMD_SETCLIPRECT: { const SDL_Rect *rect = &cmd->data.cliprect.rect; - const SDL_bool changed = (SDL_memcmp(&cliprect, rect, sizeof (SDL_Rect)) != 0); - if (cliprect_enabled != cmd->data.cliprect.enabled) { - cliprect_enabled = cmd->data.cliprect.enabled; - if (cliprect_enabled) { - data->glEnable(GL_SCISSOR_TEST); - } else { - data->glDisable(GL_SCISSOR_TEST); - } + cliprect_enabled = cmd->data.cliprect.enabled; + if (cliprect_enabled) { + data->glEnable(GL_SCISSOR_TEST); + } else { + data->glDisable(GL_SCISSOR_TEST); } - if (cliprect_enabled && changed) { - SDL_memcpy(&cliprect, rect, sizeof (SDL_Rect)); + if (cliprect_enabled) { data->glScissor(viewport.x + rect->x, istarget ? viewport.y + rect->y : drawableh - viewport.y - rect->y - rect->h, rect->w, rect->h); @@ -1393,24 +1337,19 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic } case SDL_RENDERCMD_CLEAR: { - 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 != clear_color) { - data->glClearColor((GLfloat) r * inv255f, (GLfloat) g * inv255f, - (GLfloat) b * inv255f, (GLfloat) a * inv255f); - clear_color = color; - } + const GLfloat r = ((GLfloat) cmd->data.color.r) * inv255f; + const GLfloat g = ((GLfloat) cmd->data.color.g) * inv255f; + const GLfloat b = ((GLfloat) cmd->data.color.b) * inv255f; + const GLfloat a = ((GLfloat) cmd->data.color.a) * inv255f; + data->glClearColor(r, g, b, a); - if (clipping_enabled) { + if (cliprect_enabled) { data->glDisable(GL_SCISSOR_TEST); } data->glClear(GL_COLOR_BUFFER_BIT); - if (clipping_enabled) { + if (cliprect_enabled) { data->glEnable(GL_SCISSOR_TEST); } break; @@ -1419,7 +1358,7 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic case SDL_RENDERCMD_DRAW_POINTS: { const size_t count = cmd->data.draw.count; const GLfloat *verts = (GLfloat *) (((Uint8 *) vertices) + cmd->data.draw.first); - SetDrawState(data, cmd, SHADER_SOLID, &draw_color, &blend, &shader, &texturing); + SetDrawState(data, cmd, SHADER_SOLID, &blend, &shader, &texturing); data->glBegin(GL_POINTS); for (i = 0; i < count; i++, verts += 2) { data->glVertex2f(verts[0], verts[1]); @@ -1431,7 +1370,7 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic case SDL_RENDERCMD_DRAW_LINES: { const GLfloat *verts = (GLfloat *) (((Uint8 *) vertices) + cmd->data.draw.first); size_t count = cmd->data.draw.count; - SetDrawState(data, cmd, SHADER_SOLID, &draw_color, &blend, &shader, &texturing); + SetDrawState(data, cmd, SHADER_SOLID, &blend, &shader, &texturing); if (count > 2 && (verts[0] == verts[(count-1)*2]) && (verts[1] == verts[(count*2)-1])) { --count; /* GL_LINE_LOOP takes care of the final segment */ data->glBegin(GL_LINE_LOOP); @@ -1489,7 +1428,7 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic case SDL_RENDERCMD_FILL_RECTS: { const size_t count = cmd->data.draw.count; const GLfloat *verts = (GLfloat *) (((Uint8 *) vertices) + cmd->data.draw.first); - SetDrawState(data, cmd, SHADER_SOLID, &draw_color, &blend, &shader, &texturing); + SetDrawState(data, cmd, SHADER_SOLID, &blend, &shader, &texturing); for (i = 0; i < count; ++i, verts += 4) { data->glRectf(verts[0], verts[1], verts[2], verts[3]); } @@ -1506,7 +1445,7 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic const GLfloat maxu = verts[5]; const GLfloat minv = verts[6]; const GLfloat maxv = verts[7]; - SetCopyState(data, cmd, &draw_color, &blend, &shader, &texturing, &bound_texture); + SetCopyState(data, cmd, &blend, &shader, &texturing, &bound_texture); data->glBegin(GL_TRIANGLE_STRIP); data->glTexCoord2f(minu, minv); data->glVertex2f(minx, miny); @@ -1533,7 +1472,7 @@ GL_RunCommandQueue(SDL_Renderer * renderer, SDL_RenderCommand *cmd, void *vertic const GLfloat translatex = verts[8]; const GLfloat translatey = verts[9]; const GLdouble angle = verts[10]; - SetCopyState(data, cmd, &draw_color, &blend, &shader, &texturing, &bound_texture); + SetCopyState(data, cmd, &blend, &shader, &texturing, &bound_texture); /* Translate to flip, rotate, translate to position */ data->glPushMatrix();