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Get SDL_BLENDMODE_MOD to work! Tested on nvidia only ATM.
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@sunnyps
sunnyps committed Jul 21, 2010
1 parent 7140863 commit 4b32f5b
Showing 1 changed file with 43 additions and 43 deletions.
86 changes: 43 additions & 43 deletions src/video/x11/SDL_x11render.c
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Expand Up @@ -380,20 +380,20 @@ X11_CreateRenderer(SDL_Window * window, Uint32 flags)
(SDL_BLENDMODE_BLEND | SDL_BLENDMODE_ADD | SDL_BLENDMODE_MASK | SDL_BLENDMODE_MOD);
/* Create a clip mask that is used for rendering primitives. */
data->stencil = XCreatePixmap(data->display, data->xwindow,
window->w, window->h, 8);
window->w, window->h, 32);

/* Create the GC for the clip mask. */
data->stencil_gc = XCreateGC(data->display, data->stencil,
GCGraphicsExposures, &gcv);
XSetBackground(data->display, data->stencil_gc, 0x00);
XSetForeground(data->display, data->stencil_gc, 0x00);
XSetBackground(data->display, data->stencil_gc, 0);
XSetForeground(data->display, data->stencil_gc, 0);
XFillRectangle(data->display, data->stencil, data->stencil_gc,
0, 0, window->w, window->h);
XSetForeground(data->display, data->stencil_gc, 0xFF);
XSetForeground(data->display, data->stencil_gc, 0xFFFFFFFF);
data->stencil_pict =
XRenderCreatePicture(data->display, data->stencil,
XRenderFindStandardFormat(data->display,
PictStandardA8),
PictStandardARGB32),
0, NULL);
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
if (data->use_xdamage) {
Expand Down Expand Up @@ -935,7 +935,7 @@ X11_SetTextureBlendMode(SDL_Renderer * renderer, SDL_Texture * texture)
}
case SDL_BLENDMODE_MOD:
if (renderdata->use_xrender) {
data->blend_op = PictOpSrc;
data->blend_op = PictOpOver;
return 0;
}
case SDL_BLENDMODE_MASK:
Expand Down Expand Up @@ -1211,7 +1211,7 @@ X11_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
renderer->blendMode != SDL_BLENDMODE_ADD &&
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
if (data->use_xdamage)
{
Expand All @@ -1229,7 +1229,7 @@ X11_RenderDrawPoints(SDL_Renderer * renderer, const SDL_Point * points,
XFixesSetGCClipRegion(data->display, data->stencil_gc, 0, 0, None);
}
#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,
CoordModeOrigin);
Expand Down Expand Up @@ -1323,7 +1323,7 @@ X11_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
drawable = data->stencil;
gc = data->stencil_gc;

XSetForeground(data->display, data->stencil_gc, 0x00000000);
XSetForeground(data->display, data->stencil_gc, 0);
#ifdef SDL_VIDEO_DRIVER_X11_XDAMAGE
if (data->use_xdamage)
XFixesSetGCClipRegion(data->display, data->stencil_gc,
Expand All @@ -1336,7 +1336,7 @@ X11_RenderDrawLines(SDL_Renderer * renderer, const SDL_Point * points,
XFixesSetGCClipRegion(data->display, data->stencil_gc,
0, 0, None);
#endif
XSetForeground(data->display, data->stencil_gc, 0xFF);
XSetForeground(data->display, data->stencil_gc, 0xFFFFFFFF);
}
else
#endif
Expand Down Expand Up @@ -1536,7 +1536,7 @@ X11_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
renderer->blendMode != SDL_BLENDMODE_ADD &&
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
if (data->use_xdamage)
XFixesSetGCClipRegion(data->display, data->stencil_gc,
Expand All @@ -1549,7 +1549,7 @@ X11_RenderDrawRects(SDL_Renderer * renderer, const SDL_Rect ** rects, int count)
XFixesSetGCClipRegion(data->display, data->stencil_gc,
0, 0, None);
#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);

Expand Down Expand Up @@ -1695,35 +1695,35 @@ X11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
dstrect->y, srcrect->w, srcrect->h);
}
}
Picture src, mask, dst;
Picture mask;
XRenderPictureAttributes attr;
const SDL_Rect *mrect;
if(texture->blendMode == SDL_BLENDMODE_NONE) {
src = texturedata->picture;
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 {
src = texturedata->picture;
mask = texturedata->picture;
dst = data->drawable_pict;
mrect = srcrect;
}
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;
XRenderChangePicture(data->display, texturedata->picture,
XRenderChangePicture(data->display, data->stencil_pict,
CPComponentAlpha, &attr);
XRenderChangePicture(data->display, src, CPAlphaMap, &attr);
}*/
XRenderComposite(data->display, texturedata->blend_op, src,
mask, dst, srcrect->x, srcrect->y,
srcrect->x, srcrect->y, dstrect->x, dstrect->y,
srcrect->w, srcrect->h);
}
XRenderComposite(data->display, texturedata->blend_op, texturedata->picture,
mask, data->drawable_pict, srcrect->x, srcrect->y,
mrect->x, mrect->y, dstrect->x, dstrect->y,
dstrect->w, dstrect->h);
} else {
double xscale = ((double) dstrect->w) / srcrect->w;
double yscale = ((double) dstrect->h) / srcrect->h;
Expand All @@ -1733,19 +1733,22 @@ X11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
{XDoubleToFixed(0), XDoubleToFixed(0), XDoubleToFixed(xscale * yscale)}}};
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;
XRenderChangePicture(data->display, texturedata->picture,
XRenderChangePicture(data->display, data->stencil_pict,
CPComponentAlpha, &attr);
XRenderChangePicture(data->display, src, CPAlphaMap, &attr);
}*/
}

XRenderSetPictureFilter(data->display, texturedata->picture,
texturedata->filter, 0, 0);

XRenderComposite(data->display, texturedata->blend_op,
src, mask, dst,
srcrect->x, srcrect->y, srcrect->x, srcrect->y,
texturedata->picture, mask, data->drawable_pict,
srcrect->x, srcrect->y, mrect->x, mrect->y,
dstrect->x, dstrect->y, dstrect->w, dstrect->h);

XTransform identity = {{
Expand All @@ -1754,14 +1757,11 @@ X11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture,
{XDoubleToFixed(0), XDoubleToFixed(0), XDoubleToFixed(1)}}};
XRenderSetPictureTransform(data->display, texturedata->picture, &identity);
}
/*if (renderer->blendMode == SDL_BLENDMODE_MOD) {
if (renderer->blendMode == SDL_BLENDMODE_MOD) {
attr.component_alpha = False;
XRenderChangePicture(data->display, texturedata->picture,
XRenderChangePicture(data->display, data->stencil_pict,
CPComponentAlpha, &attr);
attr.alpha_map = None;
XRenderChangePicture(data->display, data->drawable_pict,
CPAlphaMap, &attr);
}*/
}
}
else
#endif
Expand Down

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