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comparison src/video/SDL_renderer_sw.c @ 5143:e743b9c3f6d6

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Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 31 Jan 2011 23:23:57 -0800
parents da10636e5eca
children 31e7f523ab3d
comparison
equal deleted inserted replaced
5142:57851a238c8f 5143:e743b9c3f6d6
47 int firstcolor, int ncolors); 47 int firstcolor, int ncolors);
48 static int SW_SetTextureColorMod(SDL_Renderer * renderer, 48 static int SW_SetTextureColorMod(SDL_Renderer * renderer,
49 SDL_Texture * texture); 49 SDL_Texture * texture);
50 static int SW_SetTextureAlphaMod(SDL_Renderer * renderer, 50 static int SW_SetTextureAlphaMod(SDL_Renderer * renderer,
51 SDL_Texture * texture); 51 SDL_Texture * texture);
52 static int SW_SetTextureBlendMode(SDL_Renderer * renderer,
53 SDL_Texture * texture);
54 static int SW_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture, 52 static int SW_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
55 const SDL_Rect * rect, const void *pixels, 53 const SDL_Rect * rect, const void *pixels,
56 int pitch); 54 int pitch);
57 static int SW_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, 55 static int SW_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
58 const SDL_Rect * rect, int markDirty, void **pixels, 56 const SDL_Rect * rect, int markDirty, void **pixels,
84 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY | 82 (SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
85 SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 | 83 SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
86 SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_PRESENTVSYNC), 84 SDL_RENDERER_PRESENTDISCARD | SDL_RENDERER_PRESENTVSYNC),
87 (SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR | 85 (SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
88 SDL_TEXTUREMODULATE_ALPHA), 86 SDL_TEXTUREMODULATE_ALPHA),
89 (SDL_BLENDMODE_NONE | SDL_BLENDMODE_MASK |
90 SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MOD),
91 14, 87 14,
92 { 88 {
93 SDL_PIXELFORMAT_INDEX8, 89 SDL_PIXELFORMAT_INDEX8,
94 SDL_PIXELFORMAT_RGB555, 90 SDL_PIXELFORMAT_RGB555,
95 SDL_PIXELFORMAT_RGB565, 91 SDL_PIXELFORMAT_RGB565,
174 renderer->QueryTexturePixels = SW_QueryTexturePixels; 170 renderer->QueryTexturePixels = SW_QueryTexturePixels;
175 renderer->SetTexturePalette = SW_SetTexturePalette; 171 renderer->SetTexturePalette = SW_SetTexturePalette;
176 renderer->GetTexturePalette = SW_GetTexturePalette; 172 renderer->GetTexturePalette = SW_GetTexturePalette;
177 renderer->SetTextureColorMod = SW_SetTextureColorMod; 173 renderer->SetTextureColorMod = SW_SetTextureColorMod;
178 renderer->SetTextureAlphaMod = SW_SetTextureAlphaMod; 174 renderer->SetTextureAlphaMod = SW_SetTextureAlphaMod;
179 renderer->SetTextureBlendMode = SW_SetTextureBlendMode;
180 renderer->UpdateTexture = SW_UpdateTexture; 175 renderer->UpdateTexture = SW_UpdateTexture;
181 renderer->LockTexture = SW_LockTexture; 176 renderer->LockTexture = SW_LockTexture;
182 renderer->UnlockTexture = SW_UnlockTexture; 177 renderer->UnlockTexture = SW_UnlockTexture;
183 renderer->DestroyTexture = SW_DestroyTexture; 178 renderer->DestroyTexture = SW_DestroyTexture;
184 179
185 renderer->info.mod_modes = SW_RenderDriver.info.mod_modes; 180 renderer->info.mod_modes = SW_RenderDriver.info.mod_modes;
186 renderer->info.blend_modes = SW_RenderDriver.info.blend_modes;
187 renderer->info.num_texture_formats = 181 renderer->info.num_texture_formats =
188 SW_RenderDriver.info.num_texture_formats; 182 SW_RenderDriver.info.num_texture_formats;
189 SDL_memcpy(renderer->info.texture_formats, 183 SDL_memcpy(renderer->info.texture_formats,
190 SW_RenderDriver.info.texture_formats, 184 SW_RenderDriver.info.texture_formats,
191 sizeof(renderer->info.texture_formats));; 185 sizeof(renderer->info.texture_formats));;
562 556
563 data->surface.clip_rect.w = data->surface.w = rect.w; 557 data->surface.clip_rect.w = data->surface.w = rect.w;
564 data->surface.clip_rect.h = data->surface.h = rect.h; 558 data->surface.clip_rect.h = data->surface.h = rect.h;
565 559
566 /* Draw the points! */ 560 /* Draw the points! */
567 if (renderer->blendMode == SDL_BLENDMODE_NONE || 561 if (renderer->blendMode == SDL_BLENDMODE_NONE) {
568 renderer->blendMode == SDL_BLENDMODE_MASK) {
569 Uint32 color = SDL_MapRGBA(data->surface.format, 562 Uint32 color = SDL_MapRGBA(data->surface.format,
570 renderer->r, renderer->g, renderer->b, 563 renderer->r, renderer->g, renderer->b,
571 renderer->a); 564 renderer->a);
572 565
573 for (i = 0; i < count; ++i) { 566 for (i = 0; i < count; ++i) {
627 620
628 data->surface.clip_rect.w = data->surface.w = rect.w; 621 data->surface.clip_rect.w = data->surface.w = rect.w;
629 data->surface.clip_rect.h = data->surface.h = rect.h; 622 data->surface.clip_rect.h = data->surface.h = rect.h;
630 623
631 /* Draw the points! */ 624 /* Draw the points! */
632 if (renderer->blendMode == SDL_BLENDMODE_NONE || 625 if (renderer->blendMode == SDL_BLENDMODE_NONE) {
633 renderer->blendMode == SDL_BLENDMODE_MASK) {
634 Uint32 color = SDL_MapRGBA(data->surface.format, 626 Uint32 color = SDL_MapRGBA(data->surface.format,
635 renderer->r, renderer->g, renderer->b, 627 renderer->r, renderer->g, renderer->b,
636 renderer->a); 628 renderer->a);
637 629
638 for (i = 1; i < count; ++i) { 630 for (i = 1; i < count; ++i) {
676 clip.x = 0; 668 clip.x = 0;
677 clip.y = 0; 669 clip.y = 0;
678 clip.w = texture->w; 670 clip.w = texture->w;
679 clip.h = texture->h; 671 clip.h = texture->h;
680 672
681 if (renderer->blendMode == SDL_BLENDMODE_NONE || 673 if (renderer->blendMode == SDL_BLENDMODE_NONE) {
682 renderer->blendMode == SDL_BLENDMODE_MASK) {
683 color = SDL_MapRGBA(data->surface.format, 674 color = SDL_MapRGBA(data->surface.format,
684 renderer->r, renderer->g, renderer->b, 675 renderer->r, renderer->g, renderer->b,
685 renderer->a); 676 renderer->a);
686 } 677 }
687 678
703 } 694 }
704 695
705 data->surface.clip_rect.w = data->surface.w = rect.w; 696 data->surface.clip_rect.w = data->surface.w = rect.w;
706 data->surface.clip_rect.h = data->surface.h = rect.h; 697 data->surface.clip_rect.h = data->surface.h = rect.h;
707 698
708 if (renderer->blendMode == SDL_BLENDMODE_NONE || 699 if (renderer->blendMode == SDL_BLENDMODE_NONE) {
709 renderer->blendMode == SDL_BLENDMODE_MASK) {
710 status = SDL_DrawRect(&data->surface, NULL, color); 700 status = SDL_DrawRect(&data->surface, NULL, color);
711 } else { 701 } else {
712 status = SDL_BlendRect(&data->surface, NULL, 702 status = SDL_BlendRect(&data->surface, NULL,
713 renderer->blendMode, 703 renderer->blendMode,
714 renderer->r, renderer->g, renderer->b, 704 renderer->r, renderer->g, renderer->b,
734 clip.x = 0; 724 clip.x = 0;
735 clip.y = 0; 725 clip.y = 0;
736 clip.w = texture->w; 726 clip.w = texture->w;
737 clip.h = texture->h; 727 clip.h = texture->h;
738 728
739 if (renderer->blendMode == SDL_BLENDMODE_NONE || 729 if (renderer->blendMode == SDL_BLENDMODE_NONE) {
740 renderer->blendMode == SDL_BLENDMODE_MASK) {
741 color = SDL_MapRGBA(data->surface.format, 730 color = SDL_MapRGBA(data->surface.format,
742 renderer->r, renderer->g, renderer->b, 731 renderer->r, renderer->g, renderer->b,
743 renderer->a); 732 renderer->a);
744 } 733 }
745 734
760 } 749 }
761 750
762 data->surface.clip_rect.w = data->surface.w = rect.w; 751 data->surface.clip_rect.w = data->surface.w = rect.w;
763 data->surface.clip_rect.h = data->surface.h = rect.h; 752 data->surface.clip_rect.h = data->surface.h = rect.h;
764 753
765 if (renderer->blendMode == SDL_BLENDMODE_NONE || 754 if (renderer->blendMode == SDL_BLENDMODE_NONE) {
766 renderer->blendMode == SDL_BLENDMODE_MASK) {
767 status = SDL_FillRect(&data->surface, NULL, color); 755 status = SDL_FillRect(&data->surface, NULL, color);
768 } else { 756 } else {
769 status = SDL_BlendFillRect(&data->surface, NULL, 757 status = SDL_BlendFillRect(&data->surface, NULL,
770 renderer->blendMode, 758 renderer->blendMode,
771 renderer->r, renderer->g, renderer->b, 759 renderer->r, renderer->g, renderer->b,