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Get SDL_BLENDMODE_MOD to work! Tested on nvidia only ATM.

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This commit is contained in:
Sunny Sachanandani 2010-07-21 17:54:31 +05:30
parent 69847c86ef
commit 6ec0ef31c7
1 changed files with 43 additions and 43 deletions
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86
src/video/x11/SDL_x11render.c
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@ -380,20 +380,20 @@ X11_CreateRenderer(SDL_Window * window, Uint32 flags)
(SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MASK | SDL_BLENDMODE_MOD); (SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MASK | SDL_BLENDMODE_MOD);
/* Create a clip mask that is used for rendering primitives. */ /* Create a clip mask that is used for rendering primitives. */
data->stencil = XCreatePixmap(data->display, data->xwindow, data->stencil = XCreatePixmap(data->display, data->xwindow,
window->w, window->h, 8); window->w, window->h, 32);
/* Create the GC for the clip mask. */ /* Create the GC for the clip mask. */
data->stencil_gc = XCreateGC(data->display, data->stencil, data->stencil_gc = XCreateGC(data->display, data->stencil,
GCGraphicsExposures, &gcv); GCGraphicsExposures, &gcv);
XSetBackground(data->display, data->stencil_gc, 0x00); XSetBackground(data->display, data->stencil_gc, 0);
XSetForeground(data->display, data->stencil_gc, 0x00); XSetForeground(data->display, data->stencil_gc, 0);
XFillRectangle(data->display, data->stencil, data->stencil_gc, XFillRectangle(data->display, data->stencil, data->stencil_gc,
0, 0, window->w, window->h); 0, 0, window->w, window->h);
XSetForeground(data->display, data->stencil_gc, 0xFF); XSetForeground(data->display, data->stencil_gc, 0xFFFFFFFF);
data->stencil_pict = data->stencil_pict =
XRenderCreatePicture(data->display, data->stencil, XRenderCreatePicture(data->display, data->stencil,
XRenderFindStandardFormat(data->display, XRenderFindStandardFormat(data->display,
PictStandardA8), PictStandardARGB32),
0, NULL); 0, NULL);
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE #ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
if (data->use_xdamage) { if (data->use_xdamage) {
@ -935,7 +935,7 @@ X11_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
} }
case SDL_BLENDMODE_MOD: case SDL_BLENDMODE_MOD:
if (renderdata->use_xrender) { if (renderdata->use_xrender) {
data->blend_op = PictOpSrc; data->blend_op = PictOpOver;
return 0; return 0;
} }
case SDL_BLENDMODE_MASK: case SDL_BLENDMODE_MASK:
@ -1211,7 +1211,7 @@ X11_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
renderer->blendMode != SDL_BLENDMODE_ADD && renderer->blendMode != SDL_BLENDMODE_ADD &&
renderer->blendMode != SDL_BLENDMODE_MOD)) renderer->blendMode != SDL_BLENDMODE_MOD))
{ {
XSetForeground(data->display, data->stencil_gc, 0x00000000); XSetForeground(data->display, data->stencil_gc, 0);
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE #ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
if (data->use_xdamage) if (data->use_xdamage)
{ {
@ -1229,7 +1229,7 @@ X11_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
XFixesSetGCClipRegion(data->display, data->stencil_gc, 0, 0, None); XFixesSetGCClipRegion(data->display, data->stencil_gc, 0, 0, None);
} }
#endif #endif
XSetForeground(data->display, data->stencil_gc, 0xFF); XSetForeground(data->display, data->stencil_gc, 0xFFFFFFFF);
XDrawPoints(data->display, data->stencil, data->stencil_gc, xpoints, xcount, XDrawPoints(data->display, data->stencil, data->stencil_gc, xpoints, xcount,
CoordModeOrigin); CoordModeOrigin);
@ -1323,7 +1323,7 @@ X11_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
drawable = data->stencil; drawable = data->stencil;
gc = data->stencil_gc; gc = data->stencil_gc;
XSetForeground(data->display, data->stencil_gc, 0x00000000); XSetForeground(data->display, data->stencil_gc, 0);
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE #ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
if (data->use_xdamage) if (data->use_xdamage)
XFixesSetGCClipRegion(data->display, data->stencil_gc, XFixesSetGCClipRegion(data->display, data->stencil_gc,
@ -1336,7 +1336,7 @@ X11_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
XFixesSetGCClipRegion(data->display, data->stencil_gc, XFixesSetGCClipRegion(data->display, data->stencil_gc,
0, 0, None); 0, 0, None);
#endif #endif
XSetForeground(data->display, data->stencil_gc, 0xFF); XSetForeground(data->display, data->stencil_gc, 0xFFFFFFFF);
} }
else else
#endif #endif
@ -1536,7 +1536,7 @@ X11_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
renderer->blendMode != SDL_BLENDMODE_ADD && renderer->blendMode != SDL_BLENDMODE_ADD &&
renderer->blendMode != SDL_BLENDMODE_MOD)) renderer->blendMode != SDL_BLENDMODE_MOD))
{ {
XSetForeground(data->display, data->stencil_gc, 0x00000000); XSetForeground(data->display, data->stencil_gc, 0);
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE #ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
if (data->use_xdamage) if (data->use_xdamage)
XFixesSetGCClipRegion(data->display, data->stencil_gc, XFixesSetGCClipRegion(data->display, data->stencil_gc,
@ -1549,7 +1549,7 @@ X11_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
XFixesSetGCClipRegion(data->display, data->stencil_gc, XFixesSetGCClipRegion(data->display, data->stencil_gc,
0, 0, None); 0, 0, None);
#endif #endif
XSetForeground(data->display, data->stencil_gc, 0xFF); XSetForeground(data->display, data->stencil_gc, 0xFFFFFFFF);
XDrawRectangles(data->display, data->stencil, data->stencil_gc, xrects, xcount); XDrawRectangles(data->display, data->stencil, data->stencil_gc, xrects, xcount);
@ -1695,35 +1695,35 @@ X11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
dstrect->y, srcrect->w, srcrect->h); dstrect->y, srcrect->w, srcrect->h);
} }
} }
Picture src, mask, dst; Picture mask;
XRenderPictureAttributes attr; XRenderPictureAttributes attr;
const SDL_Rect *mrect;
if(texture->blendMode == SDL_BLENDMODE_NONE) { if(texture->blendMode == SDL_BLENDMODE_NONE) {
src = texturedata->picture;
mask = None; mask = None;
dst = data->drawable_pict; mrect = srcrect;
}
else if (texture->blendMode == SDL_BLENDMODE_MOD) {
mask = data->stencil_pict;
mrect = dstrect;
} }
/*else if (texture->blendMode == SDL_BLENDMODE_MOD) {
src = data->drawable_pict;
mask = texturedata->picture;
dst = data->drawable_pict;
attr.alpha_map = mask;
}*/
else { else {
src = texturedata->picture;
mask = texturedata->picture; mask = texturedata->picture;
dst = data->drawable_pict; mrect = srcrect;
} }
if(srcrect->w == dstrect->w && srcrect->h == dstrect->h) { if(srcrect->w == dstrect->w && srcrect->h == dstrect->h) {
/*if (texture->blendMode == SDL_BLENDMODE_MOD) { if (texture->blendMode == SDL_BLENDMODE_MOD) {
XRenderComposite(data->display, PictOpSrc, data->drawable_pict,
texturedata->picture, data->stencil_pict,
dstrect->x, dstrect->y, srcrect->x, srcrect->y,
dstrect->x, dstrect->y, dstrect->w, dstrect->h);
attr.component_alpha = True; attr.component_alpha = True;
XRenderChangePicture(data->display, texturedata->picture, XRenderChangePicture(data->display, data->stencil_pict,
CPComponentAlpha, &attr); CPComponentAlpha, &attr);
XRenderChangePicture(data->display, src, CPAlphaMap, &attr); }
}*/ XRenderComposite(data->display, texturedata->blend_op, texturedata->picture,
XRenderComposite(data->display, texturedata->blend_op, src, mask, data->drawable_pict, srcrect->x, srcrect->y,
mask, dst, srcrect->x, srcrect->y, mrect->x, mrect->y, dstrect->x, dstrect->y,
srcrect->x, srcrect->y, dstrect->x, dstrect->y, dstrect->w, dstrect->h);
srcrect->w, srcrect->h);
} else { } else {
double xscale = ((double) dstrect->w) / srcrect->w; double xscale = ((double) dstrect->w) / srcrect->w;
double yscale = ((double) dstrect->h) / srcrect->h; double yscale = ((double) dstrect->h) / srcrect->h;
@ -1733,19 +1733,22 @@ X11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
{XDoubleToFixed(0), XDoubleToFixed(0), XDoubleToFixed(xscale * yscale)}}}; {XDoubleToFixed(0), XDoubleToFixed(0), XDoubleToFixed(xscale * yscale)}}};
XRenderSetPictureTransform(data->display, texturedata->picture, &xform); XRenderSetPictureTransform(data->display, texturedata->picture, &xform);
/*if (texture->blendMode == SDL_BLENDMODE_MOD) { if (texture->blendMode == SDL_BLENDMODE_MOD) {
XRenderComposite(data->display, PictOpSrc, data->drawable_pict,
texturedata->picture, data->stencil_pict,
dstrect->x, dstrect->y, srcrect->x, srcrect->y,
dstrect->x, dstrect->y, dstrect->w, dstrect->h);
attr.component_alpha = True; attr.component_alpha = True;
XRenderChangePicture(data->display, texturedata->picture, XRenderChangePicture(data->display, data->stencil_pict,
CPComponentAlpha, &attr); CPComponentAlpha, &attr);
XRenderChangePicture(data->display, src, CPAlphaMap, &attr); }
}*/
XRenderSetPictureFilter(data->display, texturedata->picture, XRenderSetPictureFilter(data->display, texturedata->picture,
texturedata->filter, 0, 0); texturedata->filter, 0, 0);
XRenderComposite(data->display, texturedata->blend_op, XRenderComposite(data->display, texturedata->blend_op,
src, mask, dst, texturedata->picture, mask, data->drawable_pict,
srcrect->x, srcrect->y, srcrect->x, srcrect->y, srcrect->x, srcrect->y, mrect->x, mrect->y,
dstrect->x, dstrect->y, dstrect->w, dstrect->h); dstrect->x, dstrect->y, dstrect->w, dstrect->h);
XTransform identity = {{ XTransform identity = {{
@ -1754,14 +1757,11 @@ X11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
{XDoubleToFixed(0), XDoubleToFixed(0), XDoubleToFixed(1)}}}; {XDoubleToFixed(0), XDoubleToFixed(0), XDoubleToFixed(1)}}};
XRenderSetPictureTransform(data->display, texturedata->picture, &identity); XRenderSetPictureTransform(data->display, texturedata->picture, &identity);
} }
/*if (renderer->blendMode == SDL_BLENDMODE_MOD) { if (renderer->blendMode == SDL_BLENDMODE_MOD) {
attr.component_alpha = False; attr.component_alpha = False;
XRenderChangePicture(data->display, texturedata->picture, XRenderChangePicture(data->display, data->stencil_pict,
CPComponentAlpha, &attr); CPComponentAlpha, &attr);
attr.alpha_map = None; }
XRenderChangePicture(data->display, data->drawable_pict,
CPAlphaMap, &attr);
}*/
} }
else else
#endif #endif