struct st_framebuffer *stfb = ST_CALLOC_STRUCT(st_framebuffer);
if (stfb) {
int samples = st_get_msaa();
+ int i;
if (visual->sampleBuffers)
samples = visual->samples;
if (visual->doubleBufferMode) {
struct gl_renderbuffer *rb
- = st_new_renderbuffer_fb(colorFormat, samples);
+ = st_new_renderbuffer_fb(colorFormat, samples, FALSE);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_BACK_LEFT, rb);
}
else {
/* Only allocate front buffer right now if we're single buffered.
* If double-buffered, allocate front buffer on demand later.
- * See check_create_front_buffers().
+ * See check_create_front_buffers() and st_set_framebuffer_surface().
*/
struct gl_renderbuffer *rb
- = st_new_renderbuffer_fb(colorFormat, samples);
+ = st_new_renderbuffer_fb(colorFormat, samples, FALSE);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb);
}
if (depthFormat == stencilFormat && depthFormat != PIPE_FORMAT_NONE) {
/* combined depth/stencil buffer */
struct gl_renderbuffer *depthStencilRb
- = st_new_renderbuffer_fb(depthFormat, samples);
+ = st_new_renderbuffer_fb(depthFormat, samples, FALSE);
/* note: bind RB to two attachment points */
_mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthStencilRb);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, depthStencilRb);
if (visual->depthBits == 32) {
/* 32-bit depth buffer */
struct gl_renderbuffer *depthRb
- = st_new_renderbuffer_fb(depthFormat, samples);
+ = st_new_renderbuffer_fb(depthFormat, samples, FALSE);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
}
else if (visual->depthBits == 24) {
/* 24-bit depth buffer, ignore stencil bits */
struct gl_renderbuffer *depthRb
- = st_new_renderbuffer_fb(depthFormat, samples);
+ = st_new_renderbuffer_fb(depthFormat, samples, FALSE);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
}
else if (visual->depthBits > 0) {
/* 16-bit depth buffer */
struct gl_renderbuffer *depthRb
- = st_new_renderbuffer_fb(depthFormat, samples);
+ = st_new_renderbuffer_fb(depthFormat, samples, FALSE);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
}
if (visual->stencilBits > 0) {
/* 8-bit stencil */
struct gl_renderbuffer *stencilRb
- = st_new_renderbuffer_fb(stencilFormat, samples);
+ = st_new_renderbuffer_fb(stencilFormat, samples, FALSE);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL, stencilRb);
}
}
if (visual->accumRedBits > 0) {
/* 16-bit/channel accum */
+ /* TODO: query the pipe screen for accumulation buffer format support */
struct gl_renderbuffer *accumRb
- = st_new_renderbuffer_fb(DEFAULT_ACCUM_PIPE_FORMAT, 0); /* XXX accum isn't multisampled right? */
+ = st_new_renderbuffer_fb(PIPE_FORMAT_R16G16B16A16_SNORM, 0, TRUE);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_ACCUM, accumRb);
}
+ for (i = 0; i < visual->numAuxBuffers; i++) {
+ struct gl_renderbuffer *aux
+ = st_new_renderbuffer_fb(colorFormat, 0, FALSE);
+ _mesa_add_renderbuffer(&stfb->Base, BUFFER_AUX0 + i, aux);
+ }
+
stfb->Base.Initialized = GL_TRUE;
stfb->InitWidth = width;
stfb->InitHeight = height;
if (stfb->Base.Width != width || stfb->Base.Height != height) {
GET_CURRENT_CONTEXT(ctx);
if (ctx) {
- if (stfb->InitWidth == 0 && stfb->InitHeight == 0) {
- /* didn't have a valid size until now */
- stfb->InitWidth = width;
- stfb->InitHeight = height;
- if (ctx->Viewport.Width <= 1) {
- /* set context's initial viewport/scissor size */
- _mesa_set_viewport(ctx, 0, 0, width, height);
- _mesa_set_scissor(ctx, 0, 0, width, height);
- }
- }
+ _mesa_check_init_viewport(ctx, width, height);
_mesa_resize_framebuffer(ctx, &stfb->Base, width, height);
strb = st_renderbuffer(stfb->Base.Attachment[surfIndex].Renderbuffer);
- /* fail */
- if (!strb) return;
+ if (!strb) {
+ if (surfIndex == ST_SURFACE_FRONT_LEFT) {
+ /* Delayed creation when the window system supplies a fake front buffer */
+ struct st_renderbuffer *strb_back
+ = st_renderbuffer(stfb->Base.Attachment[ST_SURFACE_BACK_LEFT].Renderbuffer);
+ struct gl_renderbuffer *rb
+ = st_new_renderbuffer_fb(surf->format, strb_back->Base.NumSamples, FALSE);
+ _mesa_add_renderbuffer(&stfb->Base, BUFFER_FRONT_LEFT, rb);
+ strb = st_renderbuffer(rb);
+ } else {
+ /* fail */
+ return;
+ }
+ }
/* replace the renderbuffer's surface/texture pointers */
pipe_surface_reference( &strb->surface, surf );
PIPE_FLUSH_SWAPBUFFERS |
PIPE_FLUSH_FRAME,
NULL );
- ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK;
+ if (st_renderbuffer(stfb->Base.Attachment[BUFFER_BACK_LEFT].Renderbuffer))
+ ctx->st->frontbuffer_status = FRONT_STATUS_COPY_OF_BACK;
}
}