Mercurial > sdl-ios-xcode
diff src/video/photon/SDL_photon_render.c @ 3383:90935231e9b6
Continue working on 2D support in Photon
author | Mike Gorchak <lestat@i.com.ua> |
---|---|
date | Sun, 11 Oct 2009 18:45:39 +0000 |
parents | dd105b317335 |
children | 04af265172f9 |
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--- a/src/video/photon/SDL_photon_render.c Sun Oct 11 10:38:38 2009 +0000 +++ b/src/video/photon/SDL_photon_render.c Sun Oct 11 18:45:39 2009 +0000 @@ -94,8 +94,7 @@ SDL_RENDERER_ACCELERATED), (SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR | SDL_TEXTUREMODULATE_ALPHA), - (SDL_BLENDMODE_NONE | SDL_BLENDMODE_MASK | - SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MOD), + (SDL_BLENDMODE_NONE | SDL_BLENDMODE_MASK | SDL_BLENDMODE_BLEND), (SDL_TEXTURESCALEMODE_NONE | SDL_TEXTURESCALEMODE_SLOW | SDL_TEXTURESCALEMODE_FAST | SDL_TEXTURESCALEMODE_BEST), 10, @@ -222,6 +221,10 @@ PgDefaultGC(rdata->gc); } + /* Setup textures supported by current renderer instance */ + renderer->info.num_texture_formats=1; + renderer->info.texture_formats[0]=didata->current_mode.format; + return renderer; } @@ -343,7 +346,7 @@ for (it=0; it<rdata->surfaces_count; it++) { rdata->osurfaces[it]=PdCreateOffscreenContext(0, window->w, window->h, - Pg_OSC_MEM_LINEAR_ACCESSIBLE | + Pg_OSC_MEM_LINEAR_ACCESSIBLE | Pg_OSC_MEM_PAGE_ALIGN | /* in case if 2D acceleration is not available use CPU optimized surfaces */ Pg_OSC_MEM_HINT_CPU_READ | Pg_OSC_MEM_HINT_CPU_WRITE | /* in case if 2D acceleration is available use it */ @@ -445,6 +448,7 @@ } break; case SDL_PHOTON_SURFTYPE_UNKNOWN: + default: { /* do nothing with surface allocation */ rdata->surfaces_type=SDL_PHOTON_SURFTYPE_UNKNOWN; @@ -493,6 +497,7 @@ PgSetGCCx(rdata->pcontexts[rdata->surface_render_idx], rdata->gc); break; case SDL_PHOTON_SURFTYPE_UNKNOWN: + default: break; } @@ -520,6 +525,7 @@ PmMemFlush(rdata->pcontexts[rdata->surface_visible_idx], rdata->psurfaces[rdata->surface_visible_idx]); break; case SDL_PHOTON_SURFTYPE_UNKNOWN: + default: return; } } @@ -538,6 +544,7 @@ PgDrawPhImageRectv(&src_point, rdata->psurfaces[rdata->surface_visible_idx], rect, 0); break; case SDL_PHOTON_SURFTYPE_UNKNOWN: + default: break; } } @@ -567,6 +574,7 @@ PgSetGCCx(rdata->pcontexts[rdata->surface_render_idx], rdata->gc); break; case SDL_PHOTON_SURFTYPE_UNKNOWN: + default: break; } @@ -582,10 +590,33 @@ static int photon_createtexture(SDL_Renderer * renderer, SDL_Texture * texture) { - SDL_RenderData *renderdata = (SDL_RenderData *) renderer->driverdata; + SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; SDL_Window *window = SDL_GetWindowFromID(renderer->window); SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window); + SDL_DisplayData *didata = (SDL_DisplayData *) display->driverdata; SDL_TextureData *tdata = NULL; + uint32_t it; + + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't create texture for OpenGL ES window"); + return -1; + } + + /* Check if requested texture format is supported */ + for (it=0; it<renderer->info.num_texture_formats; it++) + { + if (renderer->info.texture_formats[it]==texture->format) + { + break; + } + } + if (it==renderer->info.num_texture_formats) + { + SDL_SetError("Photon: requested texture format is not supported"); + return -1; + } /* Allocate texture driver data */ tdata = (SDL_TextureData *) SDL_calloc(1, sizeof(SDL_TextureData)); @@ -596,12 +627,105 @@ /* Set texture driver data */ texture->driverdata = tdata; + + /* Try offscreen allocation only in case if displayable buffers are also offscreen */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_OFFSCREEN) + { + /* Try to allocate offscreen memory first */ + tdata->osurface=PdCreateOffscreenContext(0, texture->w, texture->h, + Pg_OSC_MEM_LINEAR_ACCESSIBLE | Pg_OSC_MEM_PAGE_ALIGN | + /* in case if 2D acceleration is not available use CPU optimized surfaces */ + Pg_OSC_MEM_HINT_CPU_READ | Pg_OSC_MEM_HINT_CPU_WRITE | + /* in case if 2D acceleration is available use it */ + Pg_OSC_MEM_2D_WRITABLE | Pg_OSC_MEM_2D_READABLE); + } + + /* Check if offscreen allocation has been failed */ + if (tdata->osurface==NULL) + { + PhPoint_t translation={0, 0}; + PhDim_t dimension={texture->w, texture->h}; + uint32_t image_pfmt=photon_sdl_to_image_pixelformat(didata->current_mode.format); + + /* Allocate photon image */ + if (image_pfmt==Pg_IMAGE_PALETTE_BYTE) + { + tdata->psurface=PhCreateImage(NULL, texture->w, texture->h, + image_pfmt, NULL, 256, 1); + } + else + { + tdata->psurface=PhCreateImage(NULL, texture->w, texture->h, + image_pfmt, NULL, 0, 1); + } + + if (tdata->psurface==NULL) + { + return -1; + } + + /* Create memory context for PhImage_t */ + tdata->pcontext=PmMemCreateMC(tdata->psurface, &dimension, &translation); + if (tdata->pcontext==NULL) + { + /* Destroy PhImage */ + if (tdata->psurface!=NULL) + { + if (tdata->psurface->palette!=NULL) + { + SDL_free(tdata->psurface->palette); + tdata->psurface->palette=NULL; + } + /* Destroy shared memory for PhImage_t */ + PgShmemDestroy(tdata->psurface->image); + tdata->psurface->image=NULL; + SDL_free(tdata->psurface); + tdata->psurface=NULL; + } + } + tdata->surface_type=SDL_PHOTON_SURFTYPE_PHIMAGE; + } + else + { + tdata->surface_type=SDL_PHOTON_SURFTYPE_OFFSCREEN; + } + + return 0; } static int photon_querytexturepixels(SDL_Renderer * renderer, SDL_Texture * texture, void **pixels, int *pitch) { + SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + SDL_TextureData* tdata=(SDL_TextureData*)texture->driverdata; + + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't query texture pixels for OpenGL ES window"); + return -1; + } + + /* Clear outcoming parameters */ + *pixels=NULL; + *pitch=0; + + switch (tdata->surface_type) + { + case SDL_PHOTON_SURFTYPE_OFFSCREEN: + *pixels=(void*)PdGetOffscreenContextPtr(tdata->osurface); + *pitch=tdata->osurface->pitch; + break; + case SDL_PHOTON_SURFTYPE_PHIMAGE: + *pixels=(void*)tdata->psurface->image; + *pitch=tdata->psurface->bpl; + break; + default: + break; + } + + return 0; } static int @@ -609,38 +733,151 @@ const SDL_Color * colors, int firstcolor, int ncolors) { + SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + SDL_TextureData* tdata=(SDL_TextureData*)texture->driverdata; + + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't set texture palette for OpenGL ES window"); + return -1; + } + + if (texture->format!=SDL_PIXELFORMAT_INDEX8) + { + SDL_SetError("Photon: can't set palette for non-paletted texture"); + return -1; + } + + return -1; } static int photon_gettexturepalette(SDL_Renderer * renderer, SDL_Texture * texture, SDL_Color * colors, int firstcolor, int ncolors) { + SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + SDL_TextureData* tdata=(SDL_TextureData*)texture->driverdata; + + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't return texture palette for OpenGL ES window"); + return -1; + } + + if (texture->format!=SDL_PIXELFORMAT_INDEX8) + { + SDL_SetError("Photon: can't return palette for non-paletted texture"); + return -1; + } + + return -1; } static int photon_settexturecolormod(SDL_Renderer * renderer, SDL_Texture * texture) { + /* TODO */ + return -1; } static int photon_settexturealphamod(SDL_Renderer * renderer, SDL_Texture * texture) { + /* TODO */ + return -1; } static int photon_settextureblendmode(SDL_Renderer * renderer, SDL_Texture * texture) { + SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't set texture blend mode for OpenGL ES window"); + return -1; + } + + switch (texture->blendMode) + { + case SDL_BLENDMODE_NONE: + case SDL_BLENDMODE_MASK: + case SDL_BLENDMODE_BLEND: + return 0; + case SDL_BLENDMODE_ADD: + case SDL_BLENDMODE_MOD: + default: + SDL_Unsupported(); + texture->blendMode = SDL_BLENDMODE_NONE; + return -1; + } } static int photon_settexturescalemode(SDL_Renderer * renderer, SDL_Texture * texture) { + /* TODO */ + return -1; } static int photon_updatetexture(SDL_Renderer * renderer, SDL_Texture * texture, const SDL_Rect * rect, const void *pixels, int pitch) { + SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + SDL_TextureData* tdata=(SDL_TextureData*)texture->driverdata; + + uint8_t* src=(uint8_t*)pixels; + uint8_t* dst; + uint32_t dst_pitch; + uint32_t it; + uint32_t copy_length; + + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't update texture for OpenGL ES window"); + return -1; + } + + switch (tdata->surface_type) + { + case SDL_PHOTON_SURFTYPE_OFFSCREEN: + dst=(uint8_t*)PdGetOffscreenContextPtr(tdata->osurface); + dst_pitch=tdata->osurface->pitch; + if (dst==NULL) + { + SDL_SetError("Photon: can't get pointer to texture surface"); + return -1; + } + break; + case SDL_PHOTON_SURFTYPE_PHIMAGE: + dst=(uint8_t*)tdata->psurface->image; + dst_pitch=tdata->psurface->bpl; + if (dst==NULL) + { + SDL_SetError("Photon: can't get pointer to texture surface"); + return -1; + } + break; + default: + SDL_SetError("Photon: invalid internal surface type"); + return -1; + } + + dst+=rect->y * dst_pitch + rect->x * SDL_BYTESPERPIXEL(texture->format); + copy_length=rect->w * SDL_BYTESPERPIXEL(texture->format); + for (it = 0; it < rect->h; it++) + { + SDL_memcpy(dst, src, copy_length); + src+=pitch; + dst+=dst_pitch; + } + + return 0; } static int @@ -648,17 +885,59 @@ const SDL_Rect * rect, int markDirty, void **pixels, int *pitch) { + SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + SDL_TextureData* tdata=(SDL_TextureData*)texture->driverdata; + + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't lock texture for OpenGL ES window"); + return -1; + } + + /* Clear outcoming parameters */ + *pixels=NULL; + *pitch=0; + + switch (tdata->surface_type) + { + case SDL_PHOTON_SURFTYPE_OFFSCREEN: + *pixels=(void*)((uint8_t*)PdGetOffscreenContextPtr(tdata->osurface) + + rect->y * tdata->osurface->pitch + + rect->x * SDL_BYTESPERPIXEL(texture->format)); + *pitch=tdata->osurface->pitch; + break; + case SDL_PHOTON_SURFTYPE_PHIMAGE: + *pixels=(void*)((uint8_t*)tdata->psurface->image + + rect->y * tdata->osurface->pitch + + rect->x * SDL_BYTESPERPIXEL(texture->format)); + *pitch=tdata->psurface->bpl; + break; + default: + break; + } + + return 0; } static void photon_unlocktexture(SDL_Renderer * renderer, SDL_Texture * texture) { + SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't unlock texture for OpenGL ES window"); + return; + } } static void photon_dirtytexture(SDL_Renderer * renderer, SDL_Texture * texture, int numrects, const SDL_Rect * rects) { + /* TODO */ } static int @@ -666,6 +945,13 @@ { SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't set draw color for OpenGL ES window"); + return -1; + } + switch (rdata->surfaces_type) { case SDL_PHOTON_SURFTYPE_OFFSCREEN: @@ -674,13 +960,18 @@ PgSetStrokeColorCx(rdata->gc, PgRGB(renderer->r, renderer->g, renderer->b)); break; case SDL_PHOTON_SURFTYPE_UNKNOWN: + default: break; } + + return 0; } static int photon_setdrawblendmode(SDL_Renderer * renderer) { + /* TODO */ + return -1; } static int @@ -688,6 +979,13 @@ { SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't render point in OpenGL ES window"); + return -1; + } + switch (rdata->surfaces_type) { case SDL_PHOTON_SURFTYPE_OFFSCREEN: @@ -697,8 +995,11 @@ PgDrawIPixelCx(rdata->pcontexts[rdata->surface_render_idx], x, y); break; case SDL_PHOTON_SURFTYPE_UNKNOWN: + default: break; } + + return 0; } static int @@ -706,6 +1007,13 @@ { SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't render line in OpenGL ES window"); + return -1; + } + switch (rdata->surfaces_type) { case SDL_PHOTON_SURFTYPE_OFFSCREEN: @@ -715,8 +1023,11 @@ PgDrawILineCx(rdata->pcontexts[rdata->surface_render_idx], x1, y1, x2, y2); break; case SDL_PHOTON_SURFTYPE_UNKNOWN: + default: break; } + + return 0; } static int @@ -724,6 +1035,13 @@ { SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't render filled box in OpenGL ES window"); + return -1; + } + switch (rdata->surfaces_type) { case SDL_PHOTON_SURFTYPE_OFFSCREEN: @@ -733,6 +1051,7 @@ PgDrawIRectCx(rdata->pcontexts[rdata->surface_render_idx], rect->x, rect->y, rect->w+rect->x-1, rect->h+rect->y-1, Pg_DRAW_FILL); break; case SDL_PHOTON_SURFTYPE_UNKNOWN: + default: break; } } @@ -741,6 +1060,110 @@ photon_rendercopy(SDL_Renderer * renderer, SDL_Texture * texture, const SDL_Rect * srcrect, const SDL_Rect * dstrect) { + SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + SDL_TextureData* tdata=(SDL_TextureData*)texture->driverdata; + + PhRect_t src_rect; + PhRect_t dst_rect; + PhPoint_t dst_point; + + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't blit textures in OpenGL ES window"); + return -1; + } + + /* Switch on requested graphics context modifiers */ + switch(texture->blendMode) + { + case SDL_BLENDMODE_MASK: + /* Enable and set chroma key */ + PgChromaOnCx(rdata->gc); + PgSetChromaCx(rdata->gc, PgRGB(255, 255, 255), Pg_CHROMA_SRC_MATCH | Pg_CHROMA_NODRAW); + break; + case SDL_BLENDMODE_BLEND: + /* TODO */ + break; + case SDL_BLENDMODE_NONE: + default: + /* Do nothing */ + break; + } + + /* Set source blit area */ + src_rect.ul.x = srcrect->x; + src_rect.ul.y = srcrect->y; + src_rect.lr.x = srcrect->x + srcrect->w - 1; + src_rect.lr.y = srcrect->y + srcrect->h - 1; + + /* Set destination blit area */ + dst_rect.ul.x = dstrect->x; + dst_rect.ul.y = dstrect->y; + dst_rect.lr.x = dstrect->x + dstrect->w - 1; + dst_rect.lr.y = dstrect->y + dstrect->h - 1; + + /* Set destination point */ + dst_point.x = dstrect->x; + dst_point.y = dstrect->y; + + /* Do blit */ + switch (rdata->surfaces_type) + { + case SDL_PHOTON_SURFTYPE_OFFSCREEN: + /* two possible combinations */ + switch (tdata->surface_type) + { + case SDL_PHOTON_SURFTYPE_OFFSCREEN: + /* easiest full accelerated combination: offscreen->offscreen */ + PgContextBlitCx(rdata->osurfaces[rdata->surface_render_idx], tdata->osurface, + &src_rect, rdata->osurfaces[rdata->surface_render_idx], &dst_rect); + break; + case SDL_PHOTON_SURFTYPE_PHIMAGE: + /* not accelerated combination: PhImage->offscreen */ + /* scaling is not supported in this method */ + PgDrawPhImageRectCxv(rdata->osurfaces[rdata->surface_render_idx], &dst_point, + tdata->psurface, &src_rect, 0); + break; + default: + break; + } + break; + case SDL_PHOTON_SURFTYPE_PHIMAGE: + /* two possible combinations */ + switch (tdata->surface_type) + { + case SDL_PHOTON_SURFTYPE_OFFSCREEN: + /* not supported combination: offscreen->PhImage */ + return -1; + case SDL_PHOTON_SURFTYPE_PHIMAGE: + /* not accelerated combination, but fast: PhImage->PhImage */ + /* scaling is not supported in this method */ + PgDrawPhImageRectCxv(rdata->pcontexts[rdata->surface_render_idx], &dst_point, tdata->psurface, &src_rect, 0); + break; + default: + break; + } + break; + } + + /* Switch off graphics context modifiers */ + switch(texture->blendMode) + { + case SDL_BLENDMODE_MASK: + /* Disable chroma key */ + PgChromaOffCx(rdata->gc); + break; + case SDL_BLENDMODE_BLEND: + /* TODO */ + break; + case SDL_BLENDMODE_NONE: + default: + /* Do nothing */ + break; + } + + return 0; } static void @@ -752,6 +1175,13 @@ PhRect_t src_rect; PhPoint_t src_point; + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't render present for OpenGL ES window"); + return; + } + /* Flush all undrawn graphics data to surface */ switch (rdata->surfaces_type) { @@ -763,6 +1193,7 @@ PmMemFlush(rdata->pcontexts[rdata->surface_render_idx], rdata->psurfaces[rdata->surface_render_idx]); break; case SDL_PHOTON_SURFTYPE_UNKNOWN: + default: return; } @@ -787,6 +1218,7 @@ PgDrawPhImagev(&src_point, rdata->psurfaces[rdata->surface_render_idx], 0); break; case SDL_PHOTON_SURFTYPE_UNKNOWN: + default: break; } @@ -798,6 +1230,55 @@ static void photon_destroytexture(SDL_Renderer * renderer, SDL_Texture * texture) { + SDL_RenderData *rdata = (SDL_RenderData *) renderer->driverdata; + SDL_TextureData* tdata=(SDL_TextureData*)texture->driverdata; + + /* Check if partially created texture must be destroyed */ + if (tdata==NULL) + { + return; + } + + /* Check, if it is not initialized */ + if (rdata->surfaces_type==SDL_PHOTON_SURFTYPE_UNKNOWN) + { + SDL_SetError("Photon: can't destroy texture for OpenGL ES window"); + return; + } + + switch (tdata->surface_type) + { + case SDL_PHOTON_SURFTYPE_OFFSCREEN: + if (tdata->osurface!=NULL) + { + PhDCRelease(tdata->osurface); + tdata->osurface = NULL; + } + break; + case SDL_PHOTON_SURFTYPE_PHIMAGE: + if (tdata->pcontext!=NULL) + { + PmMemReleaseMC(tdata->pcontext); + tdata->pcontext=NULL; + } + + if (tdata->psurface!=NULL) + { + if (tdata->psurface->palette!=NULL) + { + SDL_free(tdata->psurface->palette); + tdata->psurface->palette=NULL; + } + /* Destroy shared memory for PhImage_t */ + PgShmemDestroy(tdata->psurface->image); + tdata->psurface->image=NULL; + SDL_free(tdata->psurface); + tdata->psurface=NULL; + } + break; + default: + break; + } } static void @@ -857,6 +1338,7 @@ } break; case SDL_PHOTON_SURFTYPE_UNKNOWN: + default: { /* nothing to do */ }