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Diffstat (limited to 'source/3rd-party/SDL2/src/video/directfb/SDL_DirectFB_render.c')
-rw-r--r--source/3rd-party/SDL2/src/video/directfb/SDL_DirectFB_render.c1335
1 files changed, 1335 insertions, 0 deletions
diff --git a/source/3rd-party/SDL2/src/video/directfb/SDL_DirectFB_render.c b/source/3rd-party/SDL2/src/video/directfb/SDL_DirectFB_render.c
new file mode 100644
index 0000000..4054f73
--- /dev/null
+++ b/source/3rd-party/SDL2/src/video/directfb/SDL_DirectFB_render.c
@@ -0,0 +1,1335 @@
+/*
+ Simple DirectMedia Layer
+ Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+ This software is provided 'as-is', without any express or implied
+ warranty. In no event will the authors be held liable for any damages
+ arising from the use of this software.
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute it
+ freely, subject to the following restrictions:
+
+ 1. The origin of this software must not be misrepresented; you must not
+ claim that you wrote the original software. If you use this software
+ in a product, an acknowledgment in the product documentation would be
+ appreciated but is not required.
+ 2. Altered source versions must be plainly marked as such, and must not be
+ misrepresented as being the original software.
+ 3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#if SDL_VIDEO_DRIVER_DIRECTFB
+#include "SDL_DirectFB_window.h"
+#include "SDL_DirectFB_modes.h"
+
+#include "SDL_syswm.h"
+#include "SDL_DirectFB_shape.h"
+
+#include "../SDL_sysvideo.h"
+#include "../../render/SDL_sysrender.h"
+
+#ifndef DFB_VERSION_ATLEAST
+
+#define DFB_VERSIONNUM(X, Y, Z) \
+ ((X)*1000 + (Y)*100 + (Z))
+
+#define DFB_COMPILEDVERSION \
+ DFB_VERSIONNUM(DIRECTFB_MAJOR_VERSION, DIRECTFB_MINOR_VERSION, DIRECTFB_MICRO_VERSION)
+
+#define DFB_VERSION_ATLEAST(X, Y, Z) \
+ (DFB_COMPILEDVERSION >= DFB_VERSIONNUM(X, Y, Z))
+
+#define SDL_DFB_CHECK(x) x
+
+#endif
+
+/* the following is not yet tested ... */
+#define USE_DISPLAY_PALETTE (0)
+
+
+#define SDL_DFB_RENDERERDATA(rend) DirectFB_RenderData *renddata = ((rend) ? (DirectFB_RenderData *) (rend)->driverdata : NULL)
+
+
+/* DirectFB renderer implementation */
+
+static SDL_Renderer *DirectFB_CreateRenderer(SDL_Window * window,
+ Uint32 flags);
+static void DirectFB_ActivateRenderer(SDL_Renderer * renderer);
+static int DirectFB_CreateTexture(SDL_Renderer * renderer,
+ SDL_Texture * texture);
+static int DirectFB_QueryTexturePixels(SDL_Renderer * renderer,
+ SDL_Texture * texture,
+ void **pixels, int *pitch);
+static int DirectFB_SetTexturePalette(SDL_Renderer * renderer,
+ SDL_Texture * texture,
+ const SDL_Color * colors,
+ int firstcolor, int ncolors);
+static int DirectFB_GetTexturePalette(SDL_Renderer * renderer,
+ SDL_Texture * texture,
+ SDL_Color * colors,
+ int firstcolor, int ncolors);
+static int DirectFB_SetTextureAlphaMod(SDL_Renderer * renderer,
+ SDL_Texture * texture);
+static int DirectFB_SetTextureColorMod(SDL_Renderer * renderer,
+ SDL_Texture * texture);
+static int DirectFB_SetTextureBlendMode(SDL_Renderer * renderer,
+ SDL_Texture * texture);
+static int DirectFB_SetTextureScaleMode(SDL_Renderer * renderer,
+ SDL_Texture * texture);
+static int DirectFB_UpdateTexture(SDL_Renderer * renderer,
+ SDL_Texture * texture,
+ const SDL_Rect * rect,
+ const void *pixels, int pitch);
+static int DirectFB_LockTexture(SDL_Renderer * renderer,
+ SDL_Texture * texture,
+ const SDL_Rect * rect,
+ void **pixels, int *pitch);
+static void DirectFB_UnlockTexture(SDL_Renderer * renderer,
+ SDL_Texture * texture);
+static void DirectFB_DirtyTexture(SDL_Renderer * renderer,
+ SDL_Texture * texture, int numrects,
+ const SDL_Rect * rects);
+static int DirectFB_SetDrawBlendMode(SDL_Renderer * renderer);
+static int DirectFB_RenderDrawPoints(SDL_Renderer * renderer,
+ const SDL_FPoint * points, int count);
+static int DirectFB_RenderDrawLines(SDL_Renderer * renderer,
+ const SDL_FPoint * points, int count);
+static int DirectFB_RenderDrawRects(SDL_Renderer * renderer,
+ const SDL_Rect ** rects, int count);
+static int DirectFB_RenderFillRects(SDL_Renderer * renderer,
+ const SDL_FRect * rects, int count);
+static int DirectFB_RenderCopy(SDL_Renderer * renderer,
+ SDL_Texture * texture,
+ const SDL_Rect * srcrect,
+ const SDL_FRect * dstrect);
+static void DirectFB_RenderPresent(SDL_Renderer * renderer);
+static void DirectFB_DestroyTexture(SDL_Renderer * renderer,
+ SDL_Texture * texture);
+static void DirectFB_DestroyRenderer(SDL_Renderer * renderer);
+static int DirectFB_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
+ Uint32 format, void * pixels, int pitch);
+static int DirectFB_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
+ Uint32 format, const void * pixels, int pitch);
+static int DirectFB_UpdateViewport(SDL_Renderer * renderer);
+static int DirectFB_UpdateClipRect(SDL_Renderer * renderer);
+static int DirectFB_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture);
+
+static int PrepareDraw(SDL_Renderer * renderer);
+
+
+#define SDL_DFB_WINDOWSURFACE(win) IDirectFBSurface *destsurf = ((DFB_WindowData *) ((win)->driverdata))->surface;
+
+SDL_RenderDriver DirectFB_RenderDriver = {
+ DirectFB_CreateRenderer,
+ {
+ "directfb",
+ (SDL_RENDERER_PRESENTVSYNC | 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_SCALEMODE_NONE | SDL_SCALEMODE_FAST |
+ SDL_SCALEMODE_SLOW | SDL_SCALEMODE_BEST), */
+ 0,
+ {
+ /* formats filled in later */
+ },
+ 0,
+ 0}
+};
+
+typedef struct
+{
+ SDL_Window *window;
+ DFBSurfaceFlipFlags flipflags;
+ int size_changed;
+ int lastBlendMode;
+ DFBSurfaceBlittingFlags blitFlags;
+ DFBSurfaceDrawingFlags drawFlags;
+ IDirectFBSurface* target;
+} DirectFB_RenderData;
+
+typedef struct
+{
+ IDirectFBSurface *surface;
+ Uint32 format;
+ void *pixels;
+ int pitch;
+ IDirectFBPalette *palette;
+ int isDirty;
+
+ SDL_VideoDisplay *display; /* only for yuv textures */
+
+#if (DFB_VERSION_ATLEAST(1,2,0))
+ DFBSurfaceRenderOptions render_options;
+#endif
+} DirectFB_TextureData;
+
+static SDL_INLINE void
+SDLtoDFBRect(const SDL_Rect * sr, DFBRectangle * dr)
+{
+ dr->x = sr->x;
+ dr->y = sr->y;
+ dr->h = sr->h;
+ dr->w = sr->w;
+}
+static SDL_INLINE void
+SDLtoDFBRect_Float(const SDL_FRect * sr, DFBRectangle * dr)
+{
+ dr->x = sr->x;
+ dr->y = sr->y;
+ dr->h = sr->h;
+ dr->w = sr->w;
+}
+
+
+static int
+TextureHasAlpha(DirectFB_TextureData * data)
+{
+ /* Drawing primitive ? */
+ if (!data)
+ return 0;
+
+ return (DFB_PIXELFORMAT_HAS_ALPHA(DirectFB_SDLToDFBPixelFormat(data->format)) ? 1 : 0);
+#if 0
+ switch (data->format) {
+ case SDL_PIXELFORMAT_INDEX4LSB:
+ case SDL_PIXELFORMAT_INDEX4MSB:
+ case SDL_PIXELFORMAT_ARGB4444:
+ case SDL_PIXELFORMAT_ARGB1555:
+ case SDL_PIXELFORMAT_ARGB8888:
+ case SDL_PIXELFORMAT_RGBA8888:
+ case SDL_PIXELFORMAT_ABGR8888:
+ case SDL_PIXELFORMAT_BGRA8888:
+ case SDL_PIXELFORMAT_ARGB2101010:
+ return 1;
+ default:
+ return 0;
+ }
+#endif
+}
+
+static SDL_INLINE IDirectFBSurface *get_dfb_surface(SDL_Window *window)
+{
+ SDL_SysWMinfo wm_info;
+ SDL_memset(&wm_info, 0, sizeof(SDL_SysWMinfo));
+
+ SDL_VERSION(&wm_info.version);
+ if (!SDL_GetWindowWMInfo(window, &wm_info)) {
+ return NULL;
+ }
+
+ return wm_info.info.dfb.surface;
+}
+
+static SDL_INLINE IDirectFBWindow *get_dfb_window(SDL_Window *window)
+{
+ SDL_SysWMinfo wm_info;
+ SDL_memset(&wm_info, 0, sizeof(SDL_SysWMinfo));
+
+ SDL_VERSION(&wm_info.version);
+ if (!SDL_GetWindowWMInfo(window, &wm_info)) {
+ return NULL;
+ }
+
+ return wm_info.info.dfb.window;
+}
+
+static void
+SetBlendMode(DirectFB_RenderData * data, int blendMode,
+ DirectFB_TextureData * source)
+{
+ IDirectFBSurface *destsurf = data->target;
+
+ /* FIXME: check for format change */
+ if (1 || data->lastBlendMode != blendMode) {
+ switch (blendMode) {
+ case SDL_BLENDMODE_NONE:
+ /**< No blending */
+ data->blitFlags = DSBLIT_NOFX;
+ data->drawFlags = DSDRAW_NOFX;
+ SDL_DFB_CHECK(destsurf->SetSrcBlendFunction(destsurf, DSBF_ONE));
+ SDL_DFB_CHECK(destsurf->SetDstBlendFunction(destsurf, DSBF_ZERO));
+ break;
+#if 0
+ case SDL_BLENDMODE_MASK:
+ data->blitFlags = DSBLIT_BLEND_ALPHACHANNEL;
+ data->drawFlags = DSDRAW_BLEND;
+ SDL_DFB_CHECK(destsurf->SetSrcBlendFunction(destsurf, DSBF_SRCALPHA));
+ SDL_DFB_CHECK(destsurf->SetDstBlendFunction(destsurf, DSBF_INVSRCALPHA));
+ break;
+#endif
+ case SDL_BLENDMODE_BLEND:
+ data->blitFlags = DSBLIT_BLEND_ALPHACHANNEL;
+ data->drawFlags = DSDRAW_BLEND;
+ SDL_DFB_CHECK(destsurf->SetSrcBlendFunction(destsurf, DSBF_SRCALPHA));
+ SDL_DFB_CHECK(destsurf->SetDstBlendFunction(destsurf, DSBF_INVSRCALPHA));
+ break;
+ case SDL_BLENDMODE_ADD:
+ data->blitFlags = DSBLIT_BLEND_ALPHACHANNEL;
+ data->drawFlags = DSDRAW_BLEND;
+ /* FIXME: SRCALPHA kills performance on radeon ...
+ * It will be cheaper to copy the surface to a temporary surface and premultiply
+ */
+ if (source && TextureHasAlpha(source))
+ SDL_DFB_CHECK(destsurf->SetSrcBlendFunction(destsurf, DSBF_SRCALPHA));
+ else
+ SDL_DFB_CHECK(destsurf->SetSrcBlendFunction(destsurf, DSBF_ONE));
+ SDL_DFB_CHECK(destsurf->SetDstBlendFunction(destsurf, DSBF_ONE));
+ break;
+ case SDL_BLENDMODE_MOD:
+ data->blitFlags = DSBLIT_BLEND_ALPHACHANNEL;
+ data->drawFlags = DSDRAW_BLEND;
+ SDL_DFB_CHECK(destsurf->SetSrcBlendFunction(destsurf, DSBF_ZERO));
+ SDL_DFB_CHECK(destsurf->SetDstBlendFunction(destsurf, DSBF_SRCCOLOR));
+
+ break;
+ }
+ data->lastBlendMode = blendMode;
+ }
+}
+
+static int
+DisplayPaletteChanged(void *userdata, SDL_Palette * palette)
+{
+#if USE_DISPLAY_PALETTE
+ DirectFB_RenderData *data = (DirectFB_RenderData *) userdata;
+ SDL_DFB_WINDOWSURFACE(data->window);
+ IDirectFBPalette *surfpal;
+
+ int i;
+ int ncolors;
+ DFBColor entries[256];
+
+ SDL_DFB_CHECKERR(destsurf->GetPalette(destsurf, &surfpal));
+
+ /* FIXME: number of colors */
+ ncolors = (palette->ncolors < 256 ? palette->ncolors : 256);
+
+ for (i = 0; i < ncolors; ++i) {
+ entries[i].r = palette->colors[i].r;
+ entries[i].g = palette->colors[i].g;
+ entries[i].b = palette->colors[i].b;
+ entries[i].a = palette->colors[i].a;
+ }
+ SDL_DFB_CHECKERR(surfpal->SetEntries(surfpal, entries, ncolors, 0));
+ return 0;
+ error:
+#else
+ SDL_Unsupported();
+#endif
+ return -1;
+}
+
+static void
+DirectFB_WindowEvent(SDL_Renderer * renderer, const SDL_WindowEvent *event)
+{
+ SDL_DFB_RENDERERDATA(renderer);
+
+ if (event->event == SDL_WINDOWEVENT_SIZE_CHANGED) {
+ /* Rebind the context to the window area and update matrices */
+ /* SDL_CurrentContext = NULL; */
+ /* data->updateSize = SDL_TRUE; */
+ renddata->size_changed = SDL_TRUE;
+ }
+}
+
+static int
+DirectFB_RenderClear(SDL_Renderer * renderer)
+{
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ IDirectFBSurface *destsurf = data->target;
+
+ DirectFB_ActivateRenderer(renderer);
+
+ PrepareDraw(renderer);
+
+ destsurf->Clear(destsurf, renderer->r, renderer->g, renderer->b, renderer->a);
+
+ return 0;
+}
+
+SDL_Renderer *
+DirectFB_CreateRenderer(SDL_Window * window, Uint32 flags)
+{
+ IDirectFBSurface *winsurf = get_dfb_surface(window);
+ SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
+ SDL_Renderer *renderer = NULL;
+ DirectFB_RenderData *data = NULL;
+ DFBSurfaceCapabilities scaps;
+
+ if (!winsurf) {
+ return NULL;
+ }
+
+ SDL_DFB_ALLOC_CLEAR(renderer, sizeof(*renderer));
+ SDL_DFB_ALLOC_CLEAR(data, sizeof(*data));
+
+ renderer->WindowEvent = DirectFB_WindowEvent;
+ renderer->CreateTexture = DirectFB_CreateTexture;
+ renderer->SetTextureAlphaMod = DirectFB_SetTextureAlphaMod;
+ renderer->SetTextureColorMod = DirectFB_SetTextureColorMod;
+ renderer->SetTextureBlendMode = DirectFB_SetTextureBlendMode;
+ renderer->UpdateTexture = DirectFB_UpdateTexture;
+ renderer->LockTexture = DirectFB_LockTexture;
+ renderer->RenderClear = DirectFB_RenderClear;
+ renderer->UnlockTexture = DirectFB_UnlockTexture;
+ renderer->RenderDrawPoints = DirectFB_RenderDrawPoints;
+ renderer->RenderDrawLines = DirectFB_RenderDrawLines;
+ /* SetDrawColor - no needed */
+ renderer->RenderFillRects = DirectFB_RenderFillRects;
+
+ renderer->RenderCopy = DirectFB_RenderCopy;
+ renderer->RenderPresent = DirectFB_RenderPresent;
+
+ /* FIXME: Yet to be tested */
+ renderer->RenderReadPixels = DirectFB_RenderReadPixels;
+ /* renderer->RenderWritePixels = DirectFB_RenderWritePixels; */
+
+ renderer->DestroyTexture = DirectFB_DestroyTexture;
+ renderer->DestroyRenderer = DirectFB_DestroyRenderer;
+ renderer->UpdateViewport = DirectFB_UpdateViewport;
+ renderer->UpdateClipRect = DirectFB_UpdateClipRect;
+ renderer->SetRenderTarget = DirectFB_SetRenderTarget;
+
+#if 0
+ renderer->QueryTexturePixels = DirectFB_QueryTexturePixels;
+ renderer->SetTexturePalette = DirectFB_SetTexturePalette;
+ renderer->GetTexturePalette = DirectFB_GetTexturePalette;
+ renderer->SetTextureScaleMode = DirectFB_SetTextureScaleMode;
+ renderer->DirtyTexture = DirectFB_DirtyTexture;
+ renderer->SetDrawBlendMode = DirectFB_SetDrawBlendMode;
+ renderer->RenderDrawRects = DirectFB_RenderDrawRects;
+#endif
+
+ renderer->info = DirectFB_RenderDriver.info;
+ renderer->window = window; /* SDL window */
+ renderer->driverdata = data;
+
+ renderer->info.flags =
+ SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE;
+
+ data->window = window;
+ data->target = winsurf;
+
+ data->flipflags = DSFLIP_PIPELINE | DSFLIP_BLIT;
+
+ if (flags & SDL_RENDERER_PRESENTVSYNC) {
+ data->flipflags |= DSFLIP_WAITFORSYNC | DSFLIP_ONSYNC;
+ renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
+ } else
+ data->flipflags |= DSFLIP_ONSYNC;
+
+ SDL_DFB_CHECKERR(winsurf->GetCapabilities(winsurf, &scaps));
+
+#if 0
+ if (scaps & DSCAPS_DOUBLE)
+ renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
+ else if (scaps & DSCAPS_TRIPLE)
+ renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
+ else
+ renderer->info.flags |= SDL_RENDERER_SINGLEBUFFER;
+#endif
+
+ DirectFB_SetSupportedPixelFormats(&renderer->info);
+
+#if 0
+ /* Set up a palette watch on the display palette */
+ if (display-> palette) {
+ SDL_AddPaletteWatch(display->palette, DisplayPaletteChanged, data);
+ }
+#endif
+
+ return renderer;
+
+ error:
+ SDL_DFB_FREE(renderer);
+ SDL_DFB_FREE(data);
+ return NULL;
+}
+
+static void
+DirectFB_ActivateRenderer(SDL_Renderer * renderer)
+{
+ SDL_DFB_RENDERERDATA(renderer);
+ SDL_Window *window = renderer->window;
+ SDL_DFB_WINDOWDATA(window);
+
+ if (renddata->size_changed /* || windata->wm_needs_redraw */) {
+ renddata->size_changed = SDL_FALSE;
+ }
+}
+
+
+static int
+DirectFB_AcquireVidLayer(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+ SDL_Window *window = renderer->window;
+ SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
+ SDL_DFB_DEVICEDATA(display->device);
+ DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
+ DirectFB_TextureData *data = texture->driverdata;
+ DFBDisplayLayerConfig layconf;
+ DFBResult ret;
+
+ if (devdata->use_yuv_direct && (dispdata->vidID >= 0)
+ && (!dispdata->vidIDinuse)
+ && SDL_ISPIXELFORMAT_FOURCC(data->format)) {
+ layconf.flags =
+ DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT |
+ DLCONF_SURFACE_CAPS;
+ layconf.width = texture->w;
+ layconf.height = texture->h;
+ layconf.pixelformat = DirectFB_SDLToDFBPixelFormat(data->format);
+ layconf.surface_caps = DSCAPS_VIDEOONLY | DSCAPS_DOUBLE;
+
+ SDL_DFB_CHECKERR(devdata->dfb->GetDisplayLayer(devdata->dfb,
+ dispdata->vidID,
+ &dispdata->vidlayer));
+ SDL_DFB_CHECKERR(dispdata->
+ vidlayer->SetCooperativeLevel(dispdata->vidlayer,
+ DLSCL_EXCLUSIVE));
+
+ if (devdata->use_yuv_underlays) {
+ ret = dispdata->vidlayer->SetLevel(dispdata->vidlayer, -1);
+ if (ret != DFB_OK)
+ SDL_DFB_DEBUG("Underlay Setlevel not supported\n");
+ }
+ SDL_DFB_CHECKERR(dispdata->
+ vidlayer->SetConfiguration(dispdata->vidlayer,
+ &layconf));
+ SDL_DFB_CHECKERR(dispdata->
+ vidlayer->GetSurface(dispdata->vidlayer,
+ &data->surface));
+ dispdata->vidIDinuse = 1;
+ data->display = display;
+ return 0;
+ }
+ return 1;
+ error:
+ if (dispdata->vidlayer) {
+ SDL_DFB_RELEASE(data->surface);
+ SDL_DFB_CHECKERR(dispdata->
+ vidlayer->SetCooperativeLevel(dispdata->vidlayer,
+ DLSCL_ADMINISTRATIVE));
+ SDL_DFB_RELEASE(dispdata->vidlayer);
+ }
+ return 1;
+}
+
+static int
+DirectFB_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+ SDL_Window *window = renderer->window;
+ SDL_VideoDisplay *display = SDL_GetDisplayForWindow(window);
+ SDL_DFB_DEVICEDATA(display->device);
+ DirectFB_TextureData *data;
+ DFBSurfaceDescription dsc;
+ DFBSurfacePixelFormat pixelformat;
+
+ DirectFB_ActivateRenderer(renderer);
+
+ SDL_DFB_ALLOC_CLEAR(data, sizeof(*data));
+ texture->driverdata = data;
+
+ /* find the right pixelformat */
+ pixelformat = DirectFB_SDLToDFBPixelFormat(texture->format);
+ if (pixelformat == DSPF_UNKNOWN) {
+ SDL_SetError("Unknown pixel format %d", data->format);
+ goto error;
+ }
+
+ data->format = texture->format;
+ data->pitch = texture->w * DFB_BYTES_PER_PIXEL(pixelformat);
+
+ if (DirectFB_AcquireVidLayer(renderer, texture) != 0) {
+ /* fill surface description */
+ dsc.flags =
+ DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT | DSDESC_CAPS;
+ dsc.width = texture->w;
+ dsc.height = texture->h;
+ if(texture->format == SDL_PIXELFORMAT_YV12 ||
+ texture->format == SDL_PIXELFORMAT_IYUV) {
+ /* dfb has problems with odd sizes -make them even internally */
+ dsc.width += (dsc.width % 2);
+ dsc.height += (dsc.height % 2);
+ }
+ /* <1.2 Never use DSCAPS_VIDEOONLY here. It kills performance
+ * No DSCAPS_SYSTEMONLY either - let dfb decide
+ * 1.2: DSCAPS_SYSTEMONLY boosts performance by factor ~8
+ * Depends on other settings as well. Let dfb decide.
+ */
+ dsc.caps = DSCAPS_PREMULTIPLIED;
+#if 0
+ if (texture->access == SDL_TEXTUREACCESS_STREAMING)
+ dsc.caps |= DSCAPS_SYSTEMONLY;
+ else
+ dsc.caps |= DSCAPS_VIDEOONLY;
+#endif
+
+ dsc.pixelformat = pixelformat;
+ data->pixels = NULL;
+
+ /* Create the surface */
+ SDL_DFB_CHECKERR(devdata->dfb->CreateSurface(devdata->dfb, &dsc,
+ &data->surface));
+ if (SDL_ISPIXELFORMAT_INDEXED(data->format)
+ && !SDL_ISPIXELFORMAT_FOURCC(data->format)) {
+#if 1
+ SDL_DFB_CHECKERR(data->surface->GetPalette(data->surface, &data->palette));
+#else
+ /* DFB has issues with blitting LUT8 surfaces.
+ * Creating a new palette does not help.
+ */
+ DFBPaletteDescription pal_desc;
+ pal_desc.flags = DPDESC_SIZE; /* | DPDESC_ENTRIES */
+ pal_desc.size = 256;
+ SDL_DFB_CHECKERR(devdata->dfb->CreatePalette(devdata->dfb, &pal_desc,&data->palette));
+ SDL_DFB_CHECKERR(data->surface->SetPalette(data->surface, data->palette));
+#endif
+ }
+
+ }
+#if (DFB_VERSION_ATLEAST(1,2,0))
+ data->render_options = DSRO_NONE;
+#endif
+ if (texture->access == SDL_TEXTUREACCESS_STREAMING) {
+ /* 3 plane YUVs return 1 bpp, but we need more space for other planes */
+ if(texture->format == SDL_PIXELFORMAT_YV12 ||
+ texture->format == SDL_PIXELFORMAT_IYUV) {
+ SDL_DFB_ALLOC_CLEAR(data->pixels, (texture->h * data->pitch + ((texture->h + texture->h % 2) * (data->pitch + data->pitch % 2) * 2) / 4));
+ } else {
+ SDL_DFB_ALLOC_CLEAR(data->pixels, texture->h * data->pitch);
+ }
+ }
+
+ return 0;
+
+ error:
+ SDL_DFB_RELEASE(data->palette);
+ SDL_DFB_RELEASE(data->surface);
+ SDL_DFB_FREE(texture->driverdata);
+ return -1;
+}
+
+static int
+DirectFB_QueryTexturePixels(SDL_Renderer * renderer,
+ SDL_Texture * texture, void **pixels, int *pitch)
+{
+ DirectFB_TextureData *texturedata =
+ (DirectFB_TextureData *) texture->driverdata;
+
+ if (texturedata->display) {
+ return -1;
+ } else {
+ *pixels = texturedata->pixels;
+ *pitch = texturedata->pitch;
+ }
+ return 0;
+}
+
+static int
+DirectFB_SetTexturePalette(SDL_Renderer * renderer,
+ SDL_Texture * texture,
+ const SDL_Color * colors, int firstcolor,
+ int ncolors)
+{
+ DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
+ if (SDL_ISPIXELFORMAT_INDEXED(data->format)
+ && !SDL_ISPIXELFORMAT_FOURCC(data->format)) {
+ DFBColor entries[256];
+ int i;
+
+ if (ncolors > 256)
+ ncolors = 256;
+
+ for (i = 0; i < ncolors; ++i) {
+ entries[i].r = colors[i].r;
+ entries[i].g = colors[i].g;
+ entries[i].b = colors[i].b;
+ entries[i].a = 0xff;
+ }
+ SDL_DFB_CHECKERR(data->
+ palette->SetEntries(data->palette, entries, ncolors, firstcolor));
+ return 0;
+ } else {
+ return SDL_SetError("YUV textures don't have a palette");
+ }
+ error:
+ return -1;
+}
+
+static int
+DirectFB_GetTexturePalette(SDL_Renderer * renderer,
+ SDL_Texture * texture, SDL_Color * colors,
+ int firstcolor, int ncolors)
+{
+ DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
+
+ if (SDL_ISPIXELFORMAT_INDEXED(data->format)
+ && !SDL_ISPIXELFORMAT_FOURCC(data->format)) {
+ DFBColor entries[256];
+ int i;
+
+ SDL_DFB_CHECKERR(data->
+ palette->GetEntries(data->palette, entries, ncolors,
+ firstcolor));
+
+ for (i = 0; i < ncolors; ++i) {
+ colors[i].r = entries[i].r;
+ colors[i].g = entries[i].g;
+ colors[i].b = entries[i].b;
+ colors[i].a = SDL_ALPHA_OPAQUE;
+ }
+ return 0;
+ } else {
+ return SDL_SetError("YUV textures don't have a palette");
+ }
+ error:
+ return -1;
+}
+
+static int
+DirectFB_SetTextureAlphaMod(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+ return 0;
+}
+
+static int
+DirectFB_SetTextureColorMod(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+ return 0;
+}
+
+static int
+DirectFB_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+ switch (texture->blendMode) {
+ case SDL_BLENDMODE_NONE:
+ /* case SDL_BLENDMODE_MASK: */
+ case SDL_BLENDMODE_BLEND:
+ case SDL_BLENDMODE_ADD:
+ case SDL_BLENDMODE_MOD:
+ return 0;
+ default:
+ texture->blendMode = SDL_BLENDMODE_NONE;
+ return SDL_Unsupported();
+ }
+}
+
+static int
+DirectFB_SetDrawBlendMode(SDL_Renderer * renderer)
+{
+ switch (renderer->blendMode) {
+ case SDL_BLENDMODE_NONE:
+ /* case SDL_BLENDMODE_MASK: */
+ case SDL_BLENDMODE_BLEND:
+ case SDL_BLENDMODE_ADD:
+ case SDL_BLENDMODE_MOD:
+ return 0;
+ default:
+ renderer->blendMode = SDL_BLENDMODE_NONE;
+ return SDL_Unsupported();
+ }
+}
+
+#if 0
+static int
+DirectFB_SetTextureScaleMode(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+#if (DFB_VERSION_ATLEAST(1,2,0))
+
+ DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
+
+ switch (texture->scaleMode) {
+ case SDL_SCALEMODE_NONE:
+ case SDL_SCALEMODE_FAST:
+ data->render_options = DSRO_NONE;
+ break;
+ case SDL_SCALEMODE_SLOW:
+ data->render_options = DSRO_SMOOTH_UPSCALE | DSRO_SMOOTH_DOWNSCALE;
+ break;
+ case SDL_SCALEMODE_BEST:
+ data->render_options =
+ DSRO_SMOOTH_UPSCALE | DSRO_SMOOTH_DOWNSCALE | DSRO_ANTIALIAS;
+ break;
+ default:
+ data->render_options = DSRO_NONE;
+ texture->scaleMode = SDL_SCALEMODE_NONE;
+ return SDL_Unsupported();
+ }
+#endif
+ return 0;
+}
+#endif
+
+static int
+DirectFB_UpdateTexture(SDL_Renderer * renderer, SDL_Texture * texture,
+ const SDL_Rect * rect, const void *pixels, int pitch)
+{
+ DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
+ Uint8 *dpixels;
+ int dpitch;
+ Uint8 *src, *dst;
+ int row;
+ size_t length;
+ int bpp = DFB_BYTES_PER_PIXEL(DirectFB_SDLToDFBPixelFormat(texture->format));
+ /* FIXME: SDL_BYTESPERPIXEL(texture->format) broken for yuv yv12 3 planes */
+
+ DirectFB_ActivateRenderer(renderer);
+
+ if ((texture->format == SDL_PIXELFORMAT_YV12) ||
+ (texture->format == SDL_PIXELFORMAT_IYUV)) {
+ bpp = 1;
+ }
+
+ SDL_DFB_CHECKERR(data->surface->Lock(data->surface,
+ DSLF_WRITE | DSLF_READ,
+ ((void **) &dpixels), &dpitch));
+ src = (Uint8 *) pixels;
+ dst = (Uint8 *) dpixels + rect->y * dpitch + rect->x * bpp;
+ length = rect->w * bpp;
+ for (row = 0; row < rect->h; ++row) {
+ SDL_memcpy(dst, src, length);
+ src += pitch;
+ dst += dpitch;
+ }
+ /* copy other planes for 3 plane formats */
+ if ((texture->format == SDL_PIXELFORMAT_YV12) ||
+ (texture->format == SDL_PIXELFORMAT_IYUV)) {
+ src = (Uint8 *) pixels + texture->h * pitch;
+ dst = (Uint8 *) dpixels + texture->h * dpitch + rect->y * dpitch / 4 + rect->x * bpp / 2;
+ for (row = 0; row < rect->h / 2 + (rect->h & 1); ++row) {
+ SDL_memcpy(dst, src, length / 2);
+ src += pitch / 2;
+ dst += dpitch / 2;
+ }
+ src = (Uint8 *) pixels + texture->h * pitch + texture->h * pitch / 4;
+ dst = (Uint8 *) dpixels + texture->h * dpitch + texture->h * dpitch / 4 + rect->y * dpitch / 4 + rect->x * bpp / 2;
+ for (row = 0; row < rect->h / 2 + (rect->h & 1); ++row) {
+ SDL_memcpy(dst, src, length / 2);
+ src += pitch / 2;
+ dst += dpitch / 2;
+ }
+ }
+ SDL_DFB_CHECKERR(data->surface->Unlock(data->surface));
+ data->isDirty = 0;
+ return 0;
+ error:
+ return 1;
+
+}
+
+static int
+DirectFB_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
+ const SDL_Rect * rect, void **pixels, int *pitch)
+{
+ DirectFB_TextureData *texturedata =
+ (DirectFB_TextureData *) texture->driverdata;
+
+ DirectFB_ActivateRenderer(renderer);
+
+#if 0
+ if (markDirty) {
+ SDL_AddDirtyRect(&texturedata->dirty, rect);
+ }
+#endif
+
+ if (texturedata->display) {
+ void *fdata;
+ int fpitch;
+
+ SDL_DFB_CHECKERR(texturedata->surface->Lock(texturedata->surface,
+ DSLF_WRITE | DSLF_READ,
+ &fdata, &fpitch));
+ *pitch = fpitch;
+ *pixels = fdata;
+ } else {
+ *pixels =
+ (void *) ((Uint8 *) texturedata->pixels +
+ rect->y * texturedata->pitch +
+ rect->x * DFB_BYTES_PER_PIXEL(DirectFB_SDLToDFBPixelFormat(texture->format)));
+ *pitch = texturedata->pitch;
+ texturedata->isDirty = 1;
+ }
+ return 0;
+
+ error:
+ return -1;
+}
+
+static void
+DirectFB_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+ DirectFB_TextureData *texturedata =
+ (DirectFB_TextureData *) texture->driverdata;
+
+ DirectFB_ActivateRenderer(renderer);
+
+ if (texturedata->display) {
+ SDL_DFB_CHECK(texturedata->surface->Unlock(texturedata->surface));
+ texturedata->pixels = NULL;
+ }
+}
+
+#if 0
+static void
+DirectFB_DirtyTexture(SDL_Renderer * renderer, SDL_Texture * texture,
+ int numrects, const SDL_Rect * rects)
+{
+ DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
+ int i;
+
+ for (i = 0; i < numrects; ++i) {
+ SDL_AddDirtyRect(&data->dirty, &rects[i]);
+ }
+}
+#endif
+
+static int DirectFB_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ DirectFB_TextureData *tex_data = NULL;
+
+ DirectFB_ActivateRenderer(renderer);
+ if (texture) {
+ tex_data = (DirectFB_TextureData *) texture->driverdata;
+ data->target = tex_data->surface;
+ } else {
+ data->target = get_dfb_surface(data->window);
+ }
+ data->lastBlendMode = 0;
+ return 0;
+}
+
+
+static int
+PrepareDraw(SDL_Renderer * renderer)
+{
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ IDirectFBSurface *destsurf = data->target;
+
+ Uint8 r, g, b, a;
+
+ r = renderer->r;
+ g = renderer->g;
+ b = renderer->b;
+ a = renderer->a;
+
+ SetBlendMode(data, renderer->blendMode, NULL);
+ SDL_DFB_CHECKERR(destsurf->SetDrawingFlags(destsurf, data->drawFlags));
+
+ switch (renderer->blendMode) {
+ case SDL_BLENDMODE_NONE:
+ /* case SDL_BLENDMODE_MASK: */
+ case SDL_BLENDMODE_BLEND:
+ break;
+ case SDL_BLENDMODE_ADD:
+ case SDL_BLENDMODE_MOD:
+ r = ((int) r * (int) a) / 255;
+ g = ((int) g * (int) a) / 255;
+ b = ((int) b * (int) a) / 255;
+ a = 255;
+ break;
+ }
+
+ SDL_DFB_CHECKERR(destsurf->SetColor(destsurf, r, g, b, a));
+ return 0;
+ error:
+ return -1;
+}
+
+static int DirectFB_RenderDrawPoints(SDL_Renderer * renderer,
+ const SDL_FPoint * points, int count)
+{
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ IDirectFBSurface *destsurf = data->target;
+ DFBRegion clip_region;
+ int i;
+
+ DirectFB_ActivateRenderer(renderer);
+
+ PrepareDraw(renderer);
+ destsurf->GetClip(destsurf, &clip_region);
+ for (i=0; i < count; i++) {
+ int x = points[i].x + clip_region.x1;
+ int y = points[i].y + clip_region.y1;
+ SDL_DFB_CHECKERR(destsurf->DrawLine(destsurf, x, y, x, y));
+ }
+ return 0;
+ error:
+ return -1;
+}
+
+static int DirectFB_RenderDrawLines(SDL_Renderer * renderer,
+ const SDL_FPoint * points, int count)
+{
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ IDirectFBSurface *destsurf = data->target;
+ DFBRegion clip_region;
+ int i;
+
+ DirectFB_ActivateRenderer(renderer);
+
+ PrepareDraw(renderer);
+ /* Use antialiasing when available */
+#if (DFB_VERSION_ATLEAST(1,2,0))
+ SDL_DFB_CHECKERR(destsurf->SetRenderOptions(destsurf, DSRO_ANTIALIAS));
+#endif
+
+ destsurf->GetClip(destsurf, &clip_region);
+ for (i=0; i < count - 1; i++) {
+ int x1 = points[i].x + clip_region.x1;
+ int y1 = points[i].y + clip_region.y1;
+ int x2 = points[i + 1].x + clip_region.x1;
+ int y2 = points[i + 1].y + clip_region.y1;
+ SDL_DFB_CHECKERR(destsurf->DrawLine(destsurf, x1, y1, x2, y2));
+ }
+
+ return 0;
+ error:
+ return -1;
+}
+
+static int
+DirectFB_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
+{
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ IDirectFBSurface *destsurf = data->target;
+ DFBRegion clip_region;
+ int i;
+
+ DirectFB_ActivateRenderer(renderer);
+
+ PrepareDraw(renderer);
+
+ destsurf->GetClip(destsurf, &clip_region);
+ for (i=0; i<count; i++) {
+ SDL_Rect dst = {rects[i]->x, rects[i]->y, rects[i]->w, rects[i]->h};
+ dst.x += clip_region.x1;
+ dst.y += clip_region.y1;
+ SDL_DFB_CHECKERR(destsurf->DrawRectangle(destsurf, dst.x, dst.y,
+ dst.w, dst.h));
+ }
+
+ return 0;
+ error:
+ return -1;
+}
+
+static int
+DirectFB_RenderFillRects(SDL_Renderer * renderer, const SDL_FRect * rects, int count)
+{
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ IDirectFBSurface *destsurf = data->target;
+ DFBRegion clip_region;
+ int i;
+
+ DirectFB_ActivateRenderer(renderer);
+
+ PrepareDraw(renderer);
+
+ destsurf->GetClip(destsurf, &clip_region);
+ for (i=0; i<count; i++) {
+ SDL_Rect dst = {rects[i].x, rects[i].y, rects[i].w, rects[i].h};
+ dst.x += clip_region.x1;
+ dst.y += clip_region.y1;
+ SDL_DFB_CHECKERR(destsurf->FillRectangle(destsurf, dst.x, dst.y,
+ dst.w, dst.h));
+ }
+
+ return 0;
+ error:
+ return -1;
+}
+
+static int
+DirectFB_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
+ const SDL_Rect * srcrect, const SDL_FRect * dstrect)
+{
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ IDirectFBSurface *destsurf = data->target;
+ DirectFB_TextureData *texturedata =
+ (DirectFB_TextureData *) texture->driverdata;
+ Uint8 alpha, r, g, b;
+ DFBRegion clip_region;
+ DFBRectangle sr, dr;
+
+ DirectFB_ActivateRenderer(renderer);
+
+ SDLtoDFBRect(srcrect, &sr);
+ SDLtoDFBRect_Float(dstrect, &dr);
+
+ destsurf->GetClip(destsurf, &clip_region);
+ dr.x += clip_region.x1;
+ dr.y += clip_region.y1;
+
+ if (texturedata->display) {
+ int px, py;
+ SDL_Window *window = renderer->window;
+ IDirectFBWindow *dfbwin = get_dfb_window(window);
+ SDL_DFB_WINDOWDATA(window);
+ SDL_VideoDisplay *display = texturedata->display;
+ DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
+
+ SDL_DFB_CHECKERR(dispdata->
+ vidlayer->SetSourceRectangle(dispdata->vidlayer,
+ sr.x, sr.y, sr.w, sr.h));
+ dfbwin->GetPosition(dfbwin, &px, &py);
+ px += windata->client.x;
+ py += windata->client.y;
+ SDL_DFB_CHECKERR(dispdata->
+ vidlayer->SetScreenRectangle(dispdata->vidlayer,
+ px + dr.x,
+ py + dr.y,
+ dr.w,
+ dr.h));
+ } else {
+ DFBSurfaceBlittingFlags flags = 0;
+
+#if 0
+ if (texturedata->dirty.list) {
+ SDL_DirtyRect *dirty;
+ void *pixels;
+ int bpp = DFB_BYTES_PER_PIXEL(DirectFB_SDLToDFBPixelFormat(texture->format));
+ int pitch = texturedata->pitch;
+
+ for (dirty = texturedata->dirty.list; dirty; dirty = dirty->next) {
+ SDL_Rect *rect = &dirty->rect;
+ pixels =
+ (void *) ((Uint8 *) texturedata->pixels +
+ rect->y * pitch + rect->x * bpp);
+ DirectFB_UpdateTexture(renderer, texture, rect,
+ pixels,
+ texturedata->pitch);
+ }
+ SDL_ClearDirtyRects(&texturedata->dirty);
+ }
+#endif
+ if (texturedata->isDirty)
+ {
+ SDL_Rect rect;
+
+ rect.x = 0;
+ rect.y = 0;
+ rect.w = texture->w;
+ rect.h = texture->h;
+
+ DirectFB_UpdateTexture(renderer, texture, &rect, texturedata->pixels, texturedata->pitch);
+ }
+
+ alpha = r = g = b = 0xff;
+ if (texture->modMode & SDL_TEXTUREMODULATE_ALPHA){
+ alpha = texture->a;
+ flags |= DSBLIT_BLEND_COLORALPHA;
+ }
+
+ if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
+ r = texture->r;
+ g = texture->g;
+ b = texture->b;
+ flags |= DSBLIT_COLORIZE;
+ }
+ SDL_DFB_CHECKERR(destsurf->
+ SetColor(destsurf, r, g, b, alpha));
+
+ /* ???? flags |= DSBLIT_SRC_PREMULTCOLOR; */
+
+ SetBlendMode(data, texture->blendMode, texturedata);
+
+ SDL_DFB_CHECKERR(destsurf->SetBlittingFlags(destsurf,
+ data->blitFlags | flags));
+
+#if (DFB_VERSION_ATLEAST(1,2,0))
+ SDL_DFB_CHECKERR(destsurf->SetRenderOptions(destsurf,
+ texturedata->
+ render_options));
+#endif
+
+ if (srcrect->w == dstrect->w && srcrect->h == dstrect->h) {
+ SDL_DFB_CHECKERR(destsurf->Blit(destsurf,
+ texturedata->surface,
+ &sr, dr.x, dr.y));
+ } else {
+ SDL_DFB_CHECKERR(destsurf->StretchBlit(destsurf,
+ texturedata->surface,
+ &sr, &dr));
+ }
+ }
+ return 0;
+ error:
+ return -1;
+}
+
+static void
+DirectFB_RenderPresent(SDL_Renderer * renderer)
+{
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ SDL_Window *window = renderer->window;
+ SDL_DFB_WINDOWDATA(window);
+ SDL_ShapeData *shape_data = (window->shaper ? window->shaper->driverdata : NULL);
+
+ DirectFB_ActivateRenderer(renderer);
+
+ if (shape_data && shape_data->surface) {
+ /* saturate the window surface alpha channel */
+ SDL_DFB_CHECK(windata->window_surface->SetSrcBlendFunction(windata->window_surface, DSBF_ONE));
+ SDL_DFB_CHECK(windata->window_surface->SetDstBlendFunction(windata->window_surface, DSBF_ONE));
+ SDL_DFB_CHECK(windata->window_surface->SetDrawingFlags(windata->window_surface, DSDRAW_BLEND));
+ SDL_DFB_CHECK(windata->window_surface->SetColor(windata->window_surface, 0, 0, 0, 0xff));
+ SDL_DFB_CHECK(windata->window_surface->FillRectangle(windata->window_surface, 0,0, windata->size.w, windata->size.h));
+
+ /* blit the mask */
+ SDL_DFB_CHECK(windata->surface->SetSrcBlendFunction(windata->surface, DSBF_DESTCOLOR));
+ SDL_DFB_CHECK(windata->surface->SetDstBlendFunction(windata->surface, DSBF_ZERO));
+ SDL_DFB_CHECK(windata->surface->SetBlittingFlags(windata->surface, DSBLIT_BLEND_ALPHACHANNEL));
+#if (DFB_VERSION_ATLEAST(1,2,0))
+ SDL_DFB_CHECK(windata->surface->SetRenderOptions(windata->surface, DSRO_NONE));
+#endif
+ SDL_DFB_CHECK(windata->surface->Blit(windata->surface, shape_data->surface, NULL, 0, 0));
+ }
+
+ /* Send the data to the display */
+ SDL_DFB_CHECK(windata->window_surface->Flip(windata->window_surface, NULL,
+ data->flipflags));
+}
+
+static void
+DirectFB_DestroyTexture(SDL_Renderer * renderer, SDL_Texture * texture)
+{
+ DirectFB_TextureData *data = (DirectFB_TextureData *) texture->driverdata;
+
+ DirectFB_ActivateRenderer(renderer);
+
+ if (!data) {
+ return;
+ }
+ SDL_DFB_RELEASE(data->palette);
+ SDL_DFB_RELEASE(data->surface);
+ if (data->display) {
+ DFB_DisplayData *dispdata =
+ (DFB_DisplayData *) data->display->driverdata;
+ dispdata->vidIDinuse = 0;
+ /* FIXME: Shouldn't we reset the cooperative level */
+ SDL_DFB_CHECK(dispdata->vidlayer->SetCooperativeLevel(dispdata->vidlayer,
+ DLSCL_ADMINISTRATIVE));
+ SDL_DFB_RELEASE(dispdata->vidlayer);
+ }
+ SDL_DFB_FREE(data->pixels);
+ SDL_free(data);
+ texture->driverdata = NULL;
+}
+
+static void
+DirectFB_DestroyRenderer(SDL_Renderer * renderer)
+{
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ SDL_VideoDisplay *display = SDL_GetDisplayForWindow(data->window);
+#if 0
+ if (display->palette) {
+ SDL_DelPaletteWatch(display->palette, DisplayPaletteChanged, data);
+ }
+#endif
+
+ SDL_free(data);
+ SDL_free(renderer);
+}
+
+static int
+DirectFB_UpdateViewport(SDL_Renderer * renderer)
+{
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ IDirectFBSurface *winsurf = data->target;
+ DFBRegion dreg;
+
+ dreg.x1 = renderer->viewport.x;
+ dreg.y1 = renderer->viewport.y;
+ dreg.x2 = dreg.x1 + renderer->viewport.w - 1;
+ dreg.y2 = dreg.y1 + renderer->viewport.h - 1;
+
+ winsurf->SetClip(winsurf, &dreg);
+ return 0;
+}
+
+static int
+DirectFB_UpdateClipRect(SDL_Renderer * renderer)
+{
+ const SDL_Rect *rect = &renderer->clip_rect;
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ IDirectFBSurface *destsurf = get_dfb_surface(data->window);
+ DFBRegion region;
+
+ if (!SDL_RectEmpty(rect)) {
+ region.x1 = rect->x;
+ region.x2 = rect->x + rect->w;
+ region.y1 = rect->y;
+ region.y2 = rect->y + rect->h;
+ SDL_DFB_CHECKERR(destsurf->SetClip(destsurf, &region));
+ } else {
+ SDL_DFB_CHECKERR(destsurf->SetClip(destsurf, NULL));
+ }
+ return 0;
+ error:
+ return -1;
+}
+
+static int
+DirectFB_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect,
+ Uint32 format, void * pixels, int pitch)
+{
+ Uint32 sdl_format;
+ unsigned char* laypixels;
+ int laypitch;
+ DFBSurfacePixelFormat dfb_format;
+ DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
+ IDirectFBSurface *winsurf = data->target;
+
+ DirectFB_ActivateRenderer(renderer);
+
+ winsurf->GetPixelFormat(winsurf, &dfb_format);
+ sdl_format = DirectFB_DFBToSDLPixelFormat(dfb_format);
+ winsurf->Lock(winsurf, DSLF_READ, (void **) &laypixels, &laypitch);
+
+ laypixels += (rect->y * laypitch + rect->x * SDL_BYTESPERPIXEL(sdl_format) );
+ SDL_ConvertPixels(rect->w, rect->h,
+ sdl_format, laypixels, laypitch,
+ format, pixels, pitch);
+
+ winsurf->Unlock(winsurf);
+
+ return 0;
+}
+
+#if 0
+static int
+DirectFB_RenderWritePixels(SDL_Renderer * renderer, const SDL_Rect * rect,
+ Uint32 format, const void * pixels, int pitch)
+{
+ SDL_Window *window = renderer->window;
+ SDL_DFB_WINDOWDATA(window);
+ Uint32 sdl_format;
+ unsigned char* laypixels;
+ int laypitch;
+ DFBSurfacePixelFormat dfb_format;
+
+ SDL_DFB_CHECK(windata->surface->GetPixelFormat(windata->surface, &dfb_format));
+ sdl_format = DirectFB_DFBToSDLPixelFormat(dfb_format);
+
+ SDL_DFB_CHECK(windata->surface->Lock(windata->surface, DSLF_WRITE, (void **) &laypixels, &laypitch));
+
+ laypixels += (rect->y * laypitch + rect->x * SDL_BYTESPERPIXEL(sdl_format) );
+ SDL_ConvertPixels(rect->w, rect->h,
+ format, pixels, pitch,
+ sdl_format, laypixels, laypitch);
+
+ SDL_DFB_CHECK(windata->surface->Unlock(windata->surface));
+
+ return 0;
+}
+#endif
+
+#endif /* SDL_VIDEO_DRIVER_DIRECTFB */
+
+/* vi: set ts=4 sw=4 expandtab: */