Mercurial > sdl-ios-xcode
diff src/video/x11/SDL_x11render.c @ 4586:e479c1e57c52
SDL_Textures should work with XRender now provided that the texture format and screen format match. This is only a temporary limitation.
author | Sunny Sachanandani <sunnysachanandani@gmail.com> |
---|---|
date | Wed, 16 Jun 2010 10:50:01 +0530 |
parents | 21600c6d6445 |
children | 25391ccf16a0 |
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--- a/src/video/x11/SDL_x11render.c Tue Jun 15 19:10:06 2010 +0530 +++ b/src/video/x11/SDL_x11render.c Wed Jun 16 10:50:01 2010 +0530 @@ -122,8 +122,6 @@ #ifdef SDL_VIDEO_DRIVER_X11_XRENDER Picture picture; XRenderPictFormat* picture_fmt; - XRenderPictureAttributes picture_attr; - unsigned int picture_attr_valuemask; SDL_bool use_xrender; #endif XImage *image; @@ -435,7 +433,7 @@ #ifdef SDL_VIDEO_DRIVER_X11_XRENDER // Assume the texture is supported by Xrender data->use_xrender = SDL_TRUE; - if(renderdata->use_xrender == SDL_FALSE) { + if (renderdata->use_xrender == SDL_FALSE) { if (texture->format != display->current_mode.format) { SDL_SetError("Texture format doesn't match window format"); return -1; @@ -490,12 +488,7 @@ renderdata->depth, ZPixmap, shminfo->shmaddr, shminfo, texture->w, texture->h); - // This Pixmap is used by Xrender - data->pixmap = - XShmCreatePixmap(renderdata->display, renderdata->xwindow, shminfo->shmaddr, - shminfo, texture->w, texture->h, renderdata->depth); - - if (!(data->pixmap && data->image)) { + if (!data->image) { XShmDetach(renderdata->display, shminfo); XSync(renderdata->display, False); shmdt(shminfo->shmaddr); @@ -560,37 +553,41 @@ #ifdef SDL_VIDEO_DRIVER_X11_XRENDER if(renderdata->use_xrender && data->pixmap) { data->use_xrender = SDL_TRUE; - unsigned long x11_fmt_mask; // Format mask + /*unsigned long x11_fmt_mask; // Format mask XRenderPictFormat x11_templ_fmt; // Format template x11_fmt_mask = - (PictFormatDepth | PictFormatRedMask | PictFormatGreenMask - | PictFormatBlueMask); + (PictFormatRedMask | PictFormatGreenMask + | PictFormatBlueMask | PictFormatAlphaMask); Uint32 Rmask, Gmask, Bmask, Amask; int bpp; SDL_PixelFormatEnumToMasks(data->format, &bpp, &Rmask, &Gmask, &Bmask, &Amask); x11_templ_fmt.depth = bpp; - x11_templ_fmt.direct.redMask = Rmask; - x11_templ_fmt.direct.greenMask = Gmask; - x11_templ_fmt.direct.blueMask = Bmask; - x11_templ_fmt.direct.alphaMask = Amask; - /* Return one matching XRenderPictFormat */ + x11_templ_fmt.type = PictTypeDirect; + x11_templ_fmt.direct.red = Rmask / 0xff; + x11_templ_fmt.direct.green = Gmask / 0xff; + x11_templ_fmt.direct.blue = Bmask / 0xff; + x11_templ_fmt.direct.alpha = Amask / 0xff; + printf("%d %d %d %d\n", Rmask/0xff, Gmask/0xff, Bmask/0xff, Amask/0xff); + // Return a matching XRenderPictFormat data->picture_fmt = - XRenderFindFormat(renderdata->display, x11_fmt_mask, &x11_templ_fmt, 1); + XRenderFindFormat(renderdata->display, x11_fmt_mask, &x11_templ_fmt, 0);*/ + data->picture_fmt = + XRenderFindVisualFormat(renderdata->display, renderdata->visual); if(!data->picture_fmt) { + printf("XRenderFindFormat failed!\n"); data->use_xrender = SDL_FALSE; } - data->picture_attr_valuemask = CPGraphicsExposure; - (data->picture_attr).graphics_exposures = False; data->picture = - XRenderCreatePicture(renderdata->display, data->pixmap, data->picture_fmt, - data->picture_attr_valuemask, &(data->picture_attr)); + XRenderCreatePicture(renderdata->display, data->pixmap, + data->picture_fmt, 0, NULL); if(!data->picture) { data->use_xrender = SDL_FALSE; } } /* We thought we could render the texture with Xrender but this was not possible for some reason. Now we must ensure that texture - format and window format match to avoid a BadMatch error. + format and window format match to avoid a BadMatch error when + rendering using the old pipeline. */ if(data->use_xrender == SDL_FALSE) { if (texture->format != display->current_mode.format) { @@ -685,19 +682,13 @@ } /* If this is a static texture we would use Xrender for it but this requires that the server side Pixmap associated - with this texture be updated with the data as well and - that the pixmap is not a shared memory pixmap. + with this texture be updated with the data as well. Hopefully the user will not update static textures so frequently as to cause a slowdown. */ if (texture->access == SDL_TEXTUREACCESS_STATIC) { -#ifndef NO_SHARED_MEMORY - if(!data->shminfo.shmaddr) -#endif - { XPutImage(renderdata->display, data->pixmap, renderdata->gc, data->image, 0, 0, rect->x, rect->y, rect->w, rect->h); - } } } else { @@ -1211,103 +1202,136 @@ if (data->makedirty) { SDL_AddDirtyRect(&data->dirty, dstrect); } - if (srcrect->w == dstrect->w && srcrect->h == dstrect->h) { -#ifndef NO_SHARED_MEMORY - if (texturedata->shminfo.shmaddr) { - XShmPutImage(data->display, data->drawable, data->gc, - texturedata->image, srcrect->x, srcrect->y, - dstrect->x, dstrect->y, srcrect->w, srcrect->h, - False); - } else -#endif - if (texturedata->pixels) { - XPutImage(data->display, data->drawable, data->gc, - texturedata->image, srcrect->x, srcrect->y, dstrect->x, - dstrect->y, srcrect->w, srcrect->h); +#ifdef SDL_VIDEO_DRIVER_X11_XRENDER + if (data->use_xrender && texturedata->use_xrender && texture->access == SDL_TEXTUREACCESS_STATIC) { + if(srcrect->w == dstrect->w && srcrect->h == dstrect->h) { + XRenderComposite(data->display, PictOpOver, texturedata->picture, None, data->drawable_pict, + srcrect->x, srcrect->y, 0, 0, dstrect->x, dstrect->y, srcrect->w, srcrect->h); } else { - XCopyArea(data->display, texturedata->pixmap, data->drawable, - data->gc, srcrect->x, srcrect->y, dstrect->w, - dstrect->h, dstrect->x, dstrect->y); + Pixmap scaling_pixmap = + XCreatePixmap(data->display, texturedata->pixmap, dstrect->w, dstrect->h, + data->depth); + Picture scaling_picture = + XRenderCreatePicture(data->display, scaling_pixmap, texturedata->picture_fmt, + 0, NULL); + XRenderComposite(data->display, PictOpClear, scaling_picture, None, scaling_picture, + 0, 0, 0, 0, 0, 0, dstrect->w, dstrect->h); + XRenderComposite(data->display, PictOpSrc, texturedata->picture, None, scaling_picture, + srcrect->x, srcrect->y, 0, 0, 0, 0, srcrect->w, srcrect->h); + double xscale = ((double) dstrect->w) / srcrect->w; + double yscale = ((double) dstrect->h) / srcrect->h; + XTransform xform = + {{{XDoubleToFixed(xscale), XDoubleToFixed(0), XDoubleToFixed(0)}, + {XDoubleToFixed(0), XDoubleToFixed(yscale), XDoubleToFixed(0)}, + {XDoubleToFixed(0), XDoubleToFixed(0), XDoubleToFixed(xscale * yscale)}}}; + XRenderSetPictureTransform(data->display, scaling_picture, &xform); + XRenderComposite(data->display, PictOpOver, scaling_picture, None, data->drawable_pict, + 0, 0, 0, 0, dstrect->x, dstrect->y, dstrect->w, dstrect->h); + XRenderFreePicture(data->display, scaling_picture); + XFreePixmap(data->display, scaling_pixmap); } - } else if (texturedata->yuv - || texture->access == SDL_TEXTUREACCESS_STREAMING) { - SDL_Surface src, dst; - SDL_PixelFormat fmt; - SDL_Rect rect; - XImage *image = texturedata->scaling_image; + } + else +#endif + { + if (srcrect->w == dstrect->w && srcrect->h == dstrect->h) { +#ifndef NO_SHARED_MEMORY + if (texturedata->shminfo.shmaddr) { + XShmPutImage(data->display, data->drawable, data->gc, + texturedata->image, srcrect->x, srcrect->y, + dstrect->x, dstrect->y, srcrect->w, srcrect->h, + False); + } else +#endif + if (texturedata->pixels) { + XPutImage(data->display, data->drawable, data->gc, + texturedata->image, srcrect->x, srcrect->y, dstrect->x, + dstrect->y, srcrect->w, srcrect->h); + } else { + XCopyArea(data->display, texturedata->pixmap, data->drawable, + data->gc, srcrect->x, srcrect->y, dstrect->w, + dstrect->h, dstrect->x, dstrect->y); + } + } else if (texturedata->yuv + || texture->access == SDL_TEXTUREACCESS_STREAMING) { + SDL_Surface src, dst; + SDL_PixelFormat fmt; + SDL_Rect rect; + XImage *image = texturedata->scaling_image; - if (!image) { - void *pixels; - int pitch; + if (!image) { + void *pixels; + int pitch; + + pitch = dstrect->w * SDL_BYTESPERPIXEL(texturedata->format); + pixels = SDL_malloc(dstrect->h * pitch); + if (!pixels) { + SDL_OutOfMemory(); + return -1; + } - pitch = dstrect->w * SDL_BYTESPERPIXEL(texturedata->format); - pixels = SDL_malloc(dstrect->h * pitch); - if (!pixels) { - SDL_OutOfMemory(); - return -1; + image = + XCreateImage(data->display, data->visual, data->depth, + ZPixmap, 0, pixels, dstrect->w, dstrect->h, + SDL_BYTESPERPIXEL(texturedata->format) * 8, + pitch); + if (!image) { + SDL_SetError("XCreateImage() failed"); + return -1; + } + texturedata->scaling_image = image; + + } else if (image->width != dstrect->w || image->height != dstrect->h + || !image->data) { + image->width = dstrect->w; + image->height = dstrect->h; + image->bytes_per_line = + image->width * SDL_BYTESPERPIXEL(texturedata->format); + image->data = + (char *) SDL_realloc(image->data, + image->height * image->bytes_per_line); + if (!image->data) { + SDL_OutOfMemory(); + return -1; + } } - image = - XCreateImage(data->display, data->visual, data->depth, - ZPixmap, 0, pixels, dstrect->w, dstrect->h, - SDL_BYTESPERPIXEL(texturedata->format) * 8, - pitch); - if (!image) { - SDL_SetError("XCreateImage() failed"); + /* Set up fake surfaces for SDL_SoftStretch() */ + SDL_zero(src); + src.format = &fmt; + src.w = texture->w; + src.h = texture->h; +#ifndef NO_SHARED_MEMORY + if (texturedata->shminfo.shmaddr) { + src.pixels = texturedata->shminfo.shmaddr; + } else +#endif + src.pixels = texturedata->pixels; + src.pitch = texturedata->pitch; + + SDL_zero(dst); + dst.format = &fmt; + dst.w = image->width; + dst.h = image->height; + dst.pixels = image->data; + dst.pitch = image->bytes_per_line; + + fmt.BytesPerPixel = SDL_BYTESPERPIXEL(texturedata->format); + + rect.x = 0; + rect.y = 0; + rect.w = dstrect->w; + rect.h = dstrect->h; + if (SDL_SoftStretch(&src, srcrect, &dst, &rect) < 0) { return -1; } - texturedata->scaling_image = image; - - } else if (image->width != dstrect->w || image->height != dstrect->h - || !image->data) { - image->width = dstrect->w; - image->height = dstrect->h; - image->bytes_per_line = - image->width * SDL_BYTESPERPIXEL(texturedata->format); - image->data = - (char *) SDL_realloc(image->data, - image->height * image->bytes_per_line); - if (!image->data) { - SDL_OutOfMemory(); - return -1; - } + XPutImage(data->display, data->drawable, data->gc, image, 0, 0, + dstrect->x, dstrect->y, dstrect->w, dstrect->h); + } else { + XCopyArea(data->display, texturedata->pixmap, data->drawable, + data->gc, srcrect->x, srcrect->y, dstrect->w, dstrect->h, + srcrect->x, srcrect->y); } - - /* Set up fake surfaces for SDL_SoftStretch() */ - SDL_zero(src); - src.format = &fmt; - src.w = texture->w; - src.h = texture->h; -#ifndef NO_SHARED_MEMORY - if (texturedata->shminfo.shmaddr) { - src.pixels = texturedata->shminfo.shmaddr; - } else -#endif - src.pixels = texturedata->pixels; - src.pitch = texturedata->pitch; - - SDL_zero(dst); - dst.format = &fmt; - dst.w = image->width; - dst.h = image->height; - dst.pixels = image->data; - dst.pitch = image->bytes_per_line; - - fmt.BytesPerPixel = SDL_BYTESPERPIXEL(texturedata->format); - - rect.x = 0; - rect.y = 0; - rect.w = dstrect->w; - rect.h = dstrect->h; - if (SDL_SoftStretch(&src, srcrect, &dst, &rect) < 0) { - return -1; - } - XPutImage(data->display, data->drawable, data->gc, image, 0, 0, - dstrect->x, dstrect->y, dstrect->w, dstrect->h); - } else { - XCopyArea(data->display, texturedata->pixmap, data->drawable, - data->gc, srcrect->x, srcrect->y, dstrect->w, dstrect->h, - srcrect->x, srcrect->y); } return 0; }