1053 lines
35 KiB
C
1053 lines
35 KiB
C
/*
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SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2010 Sam Lantinga
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Sam Lantinga
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slouken@libsdl.org
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SDL1.3 implementation by couriersud@arcor.de
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*/
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#include "SDL_config.h"
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#include "SDL_DirectFB_video.h"
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#include "SDL_DirectFB_render.h"
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#include "../SDL_rect_c.h"
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#include "../SDL_yuv_sw_c.h"
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/* the following is not yet tested ... */
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#define USE_DISPLAY_PALETTE (0)
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/* GDI renderer implementation */
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static SDL_Renderer *DirectFB_CreateRenderer(SDL_Window * window,
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Uint32 flags);
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static int DirectFB_DisplayModeChanged(SDL_Renderer * renderer);
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static int DirectFB_ActivateRenderer(SDL_Renderer * renderer);
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static int DirectFB_CreateTexture(SDL_Renderer * renderer,
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SDL_Texture * texture);
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static int DirectFB_QueryTexturePixels(SDL_Renderer * renderer,
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SDL_Texture * texture,
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void **pixels, int *pitch);
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static int DirectFB_SetTexturePalette(SDL_Renderer * renderer,
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SDL_Texture * texture,
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const SDL_Color * colors,
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int firstcolor, int ncolors);
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static int DirectFB_GetTexturePalette(SDL_Renderer * renderer,
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SDL_Texture * texture,
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SDL_Color * colors,
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int firstcolor, int ncolors);
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static int DirectFB_SetTextureAlphaMod(SDL_Renderer * renderer,
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SDL_Texture * texture);
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static int DirectFB_SetTextureColorMod(SDL_Renderer * renderer,
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SDL_Texture * texture);
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static int DirectFB_UpdateTexture(SDL_Renderer * renderer,
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SDL_Texture * texture,
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const SDL_Rect * rect,
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const void *pixels, int pitch);
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static int DirectFB_LockTexture(SDL_Renderer * renderer,
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SDL_Texture * texture,
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const SDL_Rect * rect, int markDirty,
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void **pixels, int *pitch);
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static void DirectFB_UnlockTexture(SDL_Renderer * renderer,
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SDL_Texture * texture);
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static void DirectFB_DirtyTexture(SDL_Renderer * renderer,
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SDL_Texture * texture, int numrects,
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const SDL_Rect * rects);
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static int DirectFB_SetDrawBlendMode(SDL_Renderer * renderer);
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static int DirectFB_RenderDrawPoints(SDL_Renderer * renderer,
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const SDL_Point * points, int count);
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static int DirectFB_RenderDrawLines(SDL_Renderer * renderer,
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const SDL_Point * points, int count);
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static int DirectFB_RenderDrawRects(SDL_Renderer * renderer,
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const SDL_Rect ** rects, int count);
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static int DirectFB_RenderFillRects(SDL_Renderer * renderer,
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const SDL_Rect ** rects, int count);
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static int DirectFB_RenderCopy(SDL_Renderer * renderer,
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SDL_Texture * texture,
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const SDL_Rect * srcrect,
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const SDL_Rect * dstrect);
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static void DirectFB_RenderPresent(SDL_Renderer * renderer);
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static void DirectFB_DestroyTexture(SDL_Renderer * renderer,
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SDL_Texture * texture);
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static void DirectFB_DestroyRenderer(SDL_Renderer * renderer);
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#define SDL_DFB_WINDOWSURFACE(win) IDirectFBSurface *destsurf = ((DFB_WindowData *) ((win)->driverdata))->surface;
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SDL_RenderDriver DirectFB_RenderDriver = {
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DirectFB_CreateRenderer,
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{
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"directfb",
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(SDL_RENDERER_SINGLEBUFFER | SDL_RENDERER_PRESENTCOPY |
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SDL_RENDERER_PRESENTFLIP2 | SDL_RENDERER_PRESENTFLIP3 |
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SDL_RENDERER_PRESENTVSYNC | SDL_RENDERER_PRESENTDISCARD |
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SDL_RENDERER_ACCELERATED),
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(SDL_TEXTUREMODULATE_NONE | SDL_TEXTUREMODULATE_COLOR |
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SDL_TEXTUREMODULATE_ALPHA),
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14,
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{
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SDL_PIXELFORMAT_INDEX4LSB,
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SDL_PIXELFORMAT_INDEX8,
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SDL_PIXELFORMAT_RGB332,
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SDL_PIXELFORMAT_RGB555,
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SDL_PIXELFORMAT_RGB565,
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SDL_PIXELFORMAT_RGB888,
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SDL_PIXELFORMAT_ARGB8888,
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SDL_PIXELFORMAT_ARGB4444,
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SDL_PIXELFORMAT_ARGB1555,
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SDL_PIXELFORMAT_RGB24,
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SDL_PIXELFORMAT_YV12,
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SDL_PIXELFORMAT_IYUV,
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SDL_PIXELFORMAT_YUY2,
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SDL_PIXELFORMAT_UYVY},
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0,
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0}
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};
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typedef struct
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{
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SDL_Window *window;
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DFBSurfaceFlipFlags flipflags;
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int isyuvdirect;
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int size_changed;
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int lastBlendMode;
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DFBSurfaceBlittingFlags blitFlags;
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DFBSurfaceDrawingFlags drawFlags;
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} DirectFB_RenderData;
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typedef struct
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{
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IDirectFBSurface *surface;
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Uint32 format;
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void *pixels;
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int pitch;
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IDirectFBPalette *palette;
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SDL_VideoDisplay *display;
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SDL_DirtyRectList dirty;
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#if (DFB_VERSION_ATLEAST(1,2,0))
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DFBSurfaceRenderOptions render_options;
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#endif
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} DirectFB_TextureData;
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static __inline__ void
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SDLtoDFBRect(const SDL_Rect * sr, DFBRectangle * dr)
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{
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dr->x = sr->x;
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dr->y = sr->y;
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dr->h = sr->h;
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dr->w = sr->w;
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}
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static int
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TextureHasAlpha(DirectFB_TextureData * data)
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{
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/* Drawing primitive ? */
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if (!data)
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return 0;
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switch (data->format) {
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case SDL_PIXELFORMAT_INDEX4LSB:
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case SDL_PIXELFORMAT_ARGB4444:
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case SDL_PIXELFORMAT_ARGB1555:
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case SDL_PIXELFORMAT_ARGB8888:
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case SDL_PIXELFORMAT_RGBA8888:
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case SDL_PIXELFORMAT_ABGR8888:
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case SDL_PIXELFORMAT_BGRA8888:
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case SDL_PIXELFORMAT_ARGB2101010:
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return 1;
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default:
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return 0;
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}
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}
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static void
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SetBlendMode(DirectFB_RenderData * data, int blendMode,
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DirectFB_TextureData * source)
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{
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SDL_DFB_WINDOWSURFACE(data->window);
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//FIXME: check for format change
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if (1 || data->lastBlendMode != blendMode) {
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switch (blendMode) {
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case SDL_BLENDMODE_NONE:
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/**< No blending */
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data->blitFlags = DSBLIT_NOFX;
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data->drawFlags = DSDRAW_NOFX;
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SDL_DFB_CHECK(destsurf->SetSrcBlendFunction(destsurf, DSBF_ONE));
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SDL_DFB_CHECK(destsurf->SetDstBlendFunction(destsurf, DSBF_ZERO));
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break;
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case SDL_BLENDMODE_BLEND:
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data->blitFlags = DSBLIT_BLEND_ALPHACHANNEL;
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data->drawFlags = DSDRAW_BLEND;
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SDL_DFB_CHECK(destsurf->SetSrcBlendFunction(destsurf, DSBF_SRCALPHA));
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SDL_DFB_CHECK(destsurf->SetDstBlendFunction(destsurf, DSBF_INVSRCALPHA));
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break;
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case SDL_BLENDMODE_ADD:
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data->blitFlags = DSBLIT_BLEND_ALPHACHANNEL;
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data->drawFlags = DSDRAW_BLEND;
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// FIXME: SRCALPHA kills performance on radeon ...
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// It will be cheaper to copy the surface to
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// a temporay surface and premultiply
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if (source && TextureHasAlpha(source))
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SDL_DFB_CHECK(destsurf->SetSrcBlendFunction(destsurf, DSBF_SRCALPHA));
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else
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SDL_DFB_CHECK(destsurf->SetSrcBlendFunction(destsurf, DSBF_ONE));
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SDL_DFB_CHECK(destsurf->SetDstBlendFunction(destsurf, DSBF_ONE));
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break;
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}
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data->lastBlendMode = blendMode;
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}
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}
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void
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DirectFB_AddRenderDriver(_THIS)
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{
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int i;
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for (i = 0; i < _this->num_displays; ++i) {
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SDL_AddRenderDriver(&_this->displays[i], &DirectFB_RenderDriver);
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}
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}
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static int
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DisplayPaletteChanged(void *userdata, SDL_Palette * palette)
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{
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#if USE_DISPLAY_PALETTE
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DirectFB_RenderData *data = (DirectFB_RenderData *) userdata;
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SDL_DFB_WINDOWSURFACE(data->window);
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IDirectFBPalette *surfpal;
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int i;
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int ncolors;
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DFBColor entries[256];
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SDL_DFB_CHECKERR(destsurf->GetPalette(destsurf, &surfpal));
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/* FIXME: number of colors */
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ncolors = (palette->ncolors < 256 ? palette->ncolors : 256);
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for (i = 0; i < ncolors; ++i) {
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entries[i].r = palette->colors[i].r;
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entries[i].g = palette->colors[i].g;
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entries[i].b = palette->colors[i].b;
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entries[i].a = palette->colors[i].unused;
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}
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SDL_DFB_CHECKERR(surfpal->SetEntries(surfpal, entries, ncolors, 0));
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return 0;
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error:
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#else
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SDL_Unsupported();
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#endif
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return -1;
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}
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SDL_Renderer *
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DirectFB_CreateRenderer(SDL_Window * window, Uint32 flags)
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{
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SDL_DFB_WINDOWDATA(window);
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SDL_VideoDisplay *display = window->display;
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SDL_Renderer *renderer = NULL;
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DirectFB_RenderData *data = NULL;
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DFBSurfaceCapabilities scaps;
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char *p;
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SDL_DFB_CALLOC(renderer, 1, sizeof(*renderer));
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SDL_DFB_CALLOC(data, 1, sizeof(*data));
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renderer->DisplayModeChanged = DirectFB_DisplayModeChanged;
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renderer->ActivateRenderer = DirectFB_ActivateRenderer;
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renderer->CreateTexture = DirectFB_CreateTexture;
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renderer->QueryTexturePixels = DirectFB_QueryTexturePixels;
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renderer->SetTexturePalette = DirectFB_SetTexturePalette;
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renderer->GetTexturePalette = DirectFB_GetTexturePalette;
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renderer->SetTextureAlphaMod = DirectFB_SetTextureAlphaMod;
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renderer->SetTextureColorMod = DirectFB_SetTextureColorMod;
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renderer->UpdateTexture = DirectFB_UpdateTexture;
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renderer->LockTexture = DirectFB_LockTexture;
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renderer->UnlockTexture = DirectFB_UnlockTexture;
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renderer->DirtyTexture = DirectFB_DirtyTexture;
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renderer->RenderDrawPoints = DirectFB_RenderDrawPoints;
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renderer->RenderDrawLines = DirectFB_RenderDrawLines;
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/* SetDrawColor - no needed */
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renderer->SetDrawBlendMode = DirectFB_SetDrawBlendMode;
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renderer->RenderFillRects = DirectFB_RenderFillRects;
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renderer->RenderDrawRects = DirectFB_RenderDrawRects;
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/* RenderDrawEllipse - no reference implementation yet */
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/* RenderFillEllipse - no reference implementation yet */
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renderer->RenderCopy = DirectFB_RenderCopy;
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renderer->RenderPresent = DirectFB_RenderPresent;
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/* RenderReadPixels is difficult to implement */
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/* RenderWritePixels is difficult to implement */
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renderer->DestroyTexture = DirectFB_DestroyTexture;
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renderer->DestroyRenderer = DirectFB_DestroyRenderer;
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renderer->info = DirectFB_RenderDriver.info;
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renderer->window = window; /* SDL window */
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renderer->driverdata = data;
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renderer->info.flags =
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SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTDISCARD;
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data->window = window;
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data->flipflags = DSFLIP_PIPELINE | DSFLIP_BLIT;
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if (flags & SDL_RENDERER_PRESENTVSYNC) {
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data->flipflags |= DSFLIP_WAITFORSYNC | DSFLIP_ONSYNC;
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renderer->info.flags |= SDL_RENDERER_PRESENTVSYNC;
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} else
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data->flipflags |= DSFLIP_ONSYNC;
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SDL_DFB_CHECKERR(windata->surface->
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GetCapabilities(windata->surface, &scaps));
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if (scaps & DSCAPS_DOUBLE)
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renderer->info.flags |= SDL_RENDERER_PRESENTFLIP2;
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else if (scaps & DSCAPS_TRIPLE)
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renderer->info.flags |= SDL_RENDERER_PRESENTFLIP3;
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else
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renderer->info.flags |= SDL_RENDERER_SINGLEBUFFER;
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data->isyuvdirect = 0; /* default is off! */
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p = SDL_getenv(DFBENV_USE_YUV_DIRECT);
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if (p)
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data->isyuvdirect = atoi(p);
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/* Set up a palette watch on the display palette */
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if (display->palette) {
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SDL_AddPaletteWatch(display->palette, DisplayPaletteChanged, data);
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}
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return renderer;
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error:
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SDL_DFB_FREE(renderer);
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SDL_DFB_FREE(data);
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return NULL;
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}
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static DFBSurfacePixelFormat
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SDLToDFBPixelFormat(Uint32 format)
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{
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switch (format) {
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case SDL_PIXELFORMAT_INDEX4LSB:
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return DSPF_ALUT44;
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case SDL_PIXELFORMAT_INDEX8:
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return DSPF_LUT8;
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case SDL_PIXELFORMAT_RGB332:
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return DSPF_RGB332;
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case SDL_PIXELFORMAT_RGB555:
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return DSPF_ARGB1555;
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case SDL_PIXELFORMAT_ARGB4444:
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return DSPF_ARGB4444;
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case SDL_PIXELFORMAT_ARGB1555:
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return DSPF_ARGB1555;
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case SDL_PIXELFORMAT_RGB565:
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return DSPF_RGB16;
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case SDL_PIXELFORMAT_RGB24:
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return DSPF_RGB24;
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case SDL_PIXELFORMAT_RGB888:
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return DSPF_RGB32;
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case SDL_PIXELFORMAT_ARGB8888:
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return DSPF_ARGB;
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case SDL_PIXELFORMAT_YV12:
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return DSPF_YV12; /* Planar mode: Y + V + U (3 planes) */
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case SDL_PIXELFORMAT_IYUV:
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return DSPF_I420; /* Planar mode: Y + U + V (3 planes) */
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case SDL_PIXELFORMAT_YUY2:
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return DSPF_YUY2; /* Packed mode: Y0+U0+Y1+V0 (1 plane) */
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case SDL_PIXELFORMAT_UYVY:
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return DSPF_UYVY; /* Packed mode: U0+Y0+V0+Y1 (1 plane) */
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case SDL_PIXELFORMAT_YVYU:
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return DSPF_UNKNOWN; /* Packed mode: Y0+V0+Y1+U0 (1 plane) */
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case SDL_PIXELFORMAT_INDEX1LSB:
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return DSPF_UNKNOWN;
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case SDL_PIXELFORMAT_INDEX1MSB:
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return DSPF_UNKNOWN;
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case SDL_PIXELFORMAT_INDEX4MSB:
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return DSPF_UNKNOWN;
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#if (DFB_VERSION_ATLEAST(1,2,0))
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case SDL_PIXELFORMAT_RGB444:
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return DSPF_RGB444;
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#endif
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case SDL_PIXELFORMAT_BGR24:
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return DSPF_UNKNOWN;
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case SDL_PIXELFORMAT_BGR888:
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return DSPF_UNKNOWN;
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case SDL_PIXELFORMAT_RGBA8888:
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return DSPF_UNKNOWN;
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case SDL_PIXELFORMAT_ABGR8888:
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return DSPF_UNKNOWN;
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case SDL_PIXELFORMAT_BGRA8888:
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return DSPF_UNKNOWN;
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case SDL_PIXELFORMAT_ARGB2101010:
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return DSPF_UNKNOWN;
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default:
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return DSPF_UNKNOWN;
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}
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}
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static int
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DirectFB_ActivateRenderer(SDL_Renderer * renderer)
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{
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SDL_DFB_RENDERERDATA(renderer);
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SDL_Window *window = renderer->window;
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SDL_DFB_WINDOWDATA(window);
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if (renddata->size_changed || windata->wm_needs_redraw) {
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// DirectFB_AdjustWindowSurface(window);
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}
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return 0;
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}
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static int
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DirectFB_DisplayModeChanged(SDL_Renderer * renderer)
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{
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SDL_DFB_RENDERERDATA(renderer);
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renddata->size_changed = SDL_TRUE;
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return 0;
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}
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|
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static int
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DirectFB_AcquireVidLayer(SDL_Renderer * renderer, SDL_Texture * texture)
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{
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SDL_DFB_RENDERERDATA(renderer);
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SDL_Window *window = renderer->window;
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SDL_VideoDisplay *display = window->display;
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SDL_DFB_DEVICEDATA(display->device);
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DFB_DisplayData *dispdata = (DFB_DisplayData *) display->driverdata;
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DirectFB_TextureData *data = texture->driverdata;
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DFBDisplayLayerConfig layconf;
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DFBResult ret;
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if (renddata->isyuvdirect && (dispdata->vidID >= 0)
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&& (!dispdata->vidIDinuse)
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&& SDL_ISPIXELFORMAT_FOURCC(data->format)) {
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layconf.flags =
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DLCONF_WIDTH | DLCONF_HEIGHT | DLCONF_PIXELFORMAT |
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DLCONF_SURFACE_CAPS;
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layconf.width = texture->w;
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layconf.height = texture->h;
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layconf.pixelformat = SDLToDFBPixelFormat(data->format);
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layconf.surface_caps = DSCAPS_VIDEOONLY | DSCAPS_DOUBLE;
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SDL_DFB_CHECKERR(devdata->dfb->GetDisplayLayer(devdata->dfb,
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dispdata->vidID,
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&dispdata->vidlayer));
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SDL_DFB_CHECKERR(dispdata->
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vidlayer->SetCooperativeLevel(dispdata->vidlayer,
|
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DLSCL_EXCLUSIVE));
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|
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if (devdata->use_yuv_underlays) {
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ret = SDL_DFB_CHECK(dispdata->vidlayer->SetLevel(dispdata->vidlayer, -1));
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if (ret != DFB_OK)
|
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SDL_DFB_DEBUG("Underlay Setlevel not supported\n");
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}
|
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SDL_DFB_CHECKERR(dispdata->
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vidlayer->SetConfiguration(dispdata->vidlayer,
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&layconf));
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SDL_DFB_CHECKERR(dispdata->
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vidlayer->GetSurface(dispdata->vidlayer,
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&data->surface));
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dispdata->vidIDinuse = 1;
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data->display = display;
|
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return 0;
|
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}
|
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return 1;
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|
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 = window->display;
|
|
SDL_DFB_DEVICEDATA(display->device);
|
|
DirectFB_TextureData *data;
|
|
DFBSurfaceDescription dsc;
|
|
DFBSurfacePixelFormat pixelformat;
|
|
|
|
SDL_DFB_CALLOC(data, 1, sizeof(*data));
|
|
texture->driverdata = data;
|
|
|
|
/* find the right pixelformat */
|
|
pixelformat = SDLToDFBPixelFormat(texture->format);
|
|
if (pixelformat == DSPF_UNKNOWN) {
|
|
SDL_SetError("Unknown pixel format %d\n", 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;
|
|
/* <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)) {
|
|
SDL_DFB_CHECKERR(data->surface->GetPalette(data->surface,
|
|
&data->palette));
|
|
}
|
|
|
|
}
|
|
#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_CALLOC(data->pixels, 1, (texture->h * data->pitch * 3 + texture->h * data->pitch * 3 % 2) / 2);
|
|
} else {
|
|
SDL_DFB_CALLOC(data->pixels, 1, 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;
|
|
|
|
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 {
|
|
SDL_SetError("YUV textures don't have a palette");
|
|
return -1;
|
|
}
|
|
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->unused = SDL_ALPHA_OPAQUE;
|
|
}
|
|
return 0;
|
|
} else {
|
|
SDL_SetError("YUV textures don't have a palette");
|
|
return -1;
|
|
}
|
|
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_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:
|
|
SDL_Unsupported();
|
|
data->render_options = DSRO_NONE;
|
|
texture->scaleMode = SDL_SCALEMODE_NONE;
|
|
return -1;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
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(SDLToDFBPixelFormat(texture->format));
|
|
// FIXME: SDL_BYTESPERPIXEL(texture->format) broken for yuv yv12 3 planes
|
|
|
|
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; ++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; ++row) {
|
|
SDL_memcpy(dst, src, length / 2);
|
|
src += pitch / 2;
|
|
dst += dpitch / 2;
|
|
}
|
|
}
|
|
SDL_DFB_CHECKERR(data->surface->Unlock(data->surface));
|
|
return 0;
|
|
error:
|
|
return 1;
|
|
|
|
}
|
|
|
|
static int
|
|
DirectFB_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture,
|
|
const SDL_Rect * rect, int markDirty,
|
|
void **pixels, int *pitch)
|
|
{
|
|
DirectFB_TextureData *texturedata =
|
|
(DirectFB_TextureData *) texture->driverdata;
|
|
|
|
if (markDirty) {
|
|
SDL_AddDirtyRect(&texturedata->dirty, rect);
|
|
}
|
|
|
|
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(SDLToDFBPixelFormat(texture->format)));
|
|
*pitch = texturedata->pitch;
|
|
}
|
|
return 0;
|
|
|
|
error:
|
|
return -1;
|
|
}
|
|
|
|
static void
|
|
DirectFB_UnlockTexture(SDL_Renderer * renderer, SDL_Texture * texture)
|
|
{
|
|
DirectFB_TextureData *texturedata =
|
|
(DirectFB_TextureData *) texture->driverdata;
|
|
|
|
if (texturedata->display) {
|
|
SDL_DFB_CHECK(texturedata->surface->Unlock(texturedata->surface));
|
|
texturedata->pixels = NULL;
|
|
}
|
|
}
|
|
|
|
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]);
|
|
}
|
|
}
|
|
|
|
static int
|
|
PrepareDraw(SDL_Renderer * renderer)
|
|
{
|
|
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
|
|
SDL_DFB_WINDOWSURFACE(data->window);
|
|
|
|
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_BLEND:
|
|
break;
|
|
case SDL_BLENDMODE_ADD:
|
|
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_Point * points, int count)
|
|
{
|
|
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
|
|
SDL_DFB_WINDOWSURFACE(data->window);
|
|
int i;
|
|
|
|
PrepareDraw(renderer);
|
|
for (i=0; i < count; i++)
|
|
SDL_DFB_CHECKERR(destsurf->DrawLine(destsurf, points[i].x, points[i].y, points[i].x, points[i].y));
|
|
return 0;
|
|
error:
|
|
return -1;
|
|
}
|
|
|
|
static int DirectFB_RenderDrawLines(SDL_Renderer * renderer,
|
|
const SDL_Point * points, int count)
|
|
{
|
|
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
|
|
SDL_DFB_WINDOWSURFACE(data->window);
|
|
int i;
|
|
|
|
PrepareDraw(renderer);
|
|
/* Use antialiasing when available */
|
|
#if (DFB_VERSION_ATLEAST(1,2,0))
|
|
SDL_DFB_CHECKERR(destsurf->SetRenderOptions(destsurf, DSRO_ANTIALIAS));
|
|
#endif
|
|
|
|
for (i=0; i < count - 1; i++)
|
|
SDL_DFB_CHECKERR(destsurf->DrawLine(destsurf, points[i].x, points[i].y, points[i+1].x, points[i+1].y));
|
|
|
|
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;
|
|
SDL_DFB_WINDOWSURFACE(data->window);
|
|
int i;
|
|
|
|
PrepareDraw(renderer);
|
|
|
|
for (i=0; i<count; i++)
|
|
SDL_DFB_CHECKERR(destsurf->DrawRectangle(destsurf, rects[i]->x, rects[i]->y,
|
|
rects[i]->w, rects[i]->h));
|
|
|
|
return 0;
|
|
error:
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
DirectFB_RenderFillRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
|
|
{
|
|
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
|
|
SDL_DFB_WINDOWSURFACE(data->window);
|
|
int i;
|
|
|
|
PrepareDraw(renderer);
|
|
|
|
for (i=0; i<count; i++)
|
|
SDL_DFB_CHECKERR(destsurf->FillRectangle(destsurf, rects[i]->x, rects[i]->y,
|
|
rects[i]->w, rects[i]->h));
|
|
|
|
return 0;
|
|
error:
|
|
return -1;
|
|
}
|
|
|
|
static int
|
|
DirectFB_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
|
|
const SDL_Rect * srcrect, const SDL_Rect * dstrect)
|
|
{
|
|
DirectFB_RenderData *data = (DirectFB_RenderData *) renderer->driverdata;
|
|
SDL_DFB_WINDOWSURFACE(data->window);
|
|
DirectFB_TextureData *texturedata =
|
|
(DirectFB_TextureData *) texture->driverdata;
|
|
Uint8 alpha = 0xFF;
|
|
|
|
if (texturedata->display) {
|
|
int px, py;
|
|
SDL_Window *window = renderer->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,
|
|
srcrect->x, srcrect->y,
|
|
srcrect->w,
|
|
srcrect->h));
|
|
SDL_DFB_CHECK(windata->window->GetPosition(windata->window, &px, &py));
|
|
px += windata->client.x;
|
|
py += windata->client.y;
|
|
SDL_DFB_CHECKERR(dispdata->
|
|
vidlayer->SetScreenRectangle(dispdata->vidlayer,
|
|
px + dstrect->x,
|
|
py + dstrect->y,
|
|
dstrect->w,
|
|
dstrect->h));
|
|
} else {
|
|
DFBRectangle sr, dr;
|
|
DFBSurfaceBlittingFlags flags = 0;
|
|
|
|
if (texturedata->dirty.list) {
|
|
SDL_DirtyRect *dirty;
|
|
void *pixels;
|
|
int bpp = DFB_BYTES_PER_PIXEL(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,
|
|
texturedata->pixels,
|
|
texturedata->pitch);
|
|
}
|
|
SDL_ClearDirtyRects(&texturedata->dirty);
|
|
}
|
|
|
|
SDLtoDFBRect(srcrect, &sr);
|
|
SDLtoDFBRect(dstrect, &dr);
|
|
|
|
SDL_DFB_CHECKERR(destsurf->
|
|
SetColor(destsurf, 0xFF, 0xFF, 0xFF, 0xFF));
|
|
if (texture->
|
|
modMode & (SDL_TEXTUREMODULATE_COLOR | SDL_TEXTUREMODULATE_ALPHA))
|
|
{
|
|
if (texture->modMode & SDL_TEXTUREMODULATE_ALPHA) {
|
|
alpha = texture->a;
|
|
SDL_DFB_CHECKERR(destsurf->SetColor(destsurf, 0xFF, 0xFF,
|
|
0xFF, alpha));
|
|
}
|
|
if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) {
|
|
|
|
SDL_DFB_CHECKERR(destsurf->SetColor(destsurf,
|
|
texture->r,
|
|
texture->g,
|
|
texture->b, alpha));
|
|
flags |= DSBLIT_COLORIZE;
|
|
}
|
|
if (alpha < 0xFF)
|
|
flags |= DSBLIT_SRC_PREMULTCOLOR;
|
|
} else
|
|
SDL_DFB_CHECKERR(destsurf->SetColor(destsurf, 0xFF, 0xFF,
|
|
0xFF, 0xFF));
|
|
|
|
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);
|
|
|
|
DFBRectangle sr;
|
|
|
|
sr.x = 0;
|
|
sr.y = 0;
|
|
sr.w = window->w;
|
|
sr.h = window->h;
|
|
|
|
/* 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;
|
|
|
|
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_FreeDirtyRects(&data->dirty);
|
|
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;
|
|
|
|
if (data) {
|
|
SDL_free(data);
|
|
}
|
|
SDL_free(renderer);
|
|
}
|
|
|
|
/* vi: set ts=4 sw=4 expandtab: */
|