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Handle the corner case of 24bit depth buffer with 0bit stencil buffer.

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This commit is contained in:
José Fonseca
2007-11-06 17:38:47 +00:00
parent 7b358e8ea9
commit 26eb608a35
1 changed files with 6 additions and 3 deletions
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src/mesa/state_tracker/st_framebuffer.c
+6 -3
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@@ -43,6 +43,7 @@ struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual,
= CALLOC_STRUCT(st_framebuffer);
if (stfb) {
GLboolean swStencil = (visual->stencilBits > 0 &&
visual->stencilBits != 8 &&
visual->depthBits != 24);
GLenum rgbFormat = (visual->redBits == 5 ? GL_RGB5 : GL_RGBA8);
@@ -62,13 +63,14 @@ struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual,
_mesa_add_renderbuffer(&stfb->Base, BUFFER_BACK_LEFT, rb);
}
if (visual->depthBits == 24 && visual->stencilBits == 8) {
if (visual->depthBits == 24) {
/* combined depth/stencil buffer */
struct gl_renderbuffer *depthStencilRb
= st_new_renderbuffer_fb(GL_DEPTH24_STENCIL8_EXT);
/* 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->stencilBits == 8)
_mesa_add_renderbuffer(&stfb->Base, BUFFER_STENCIL,depthStencilRb);
}
else if (visual->depthBits == 16) {
/* just 16-bit depth buffer, no hw stencil */
@@ -76,7 +78,8 @@ struct st_framebuffer *st_create_framebuffer( const __GLcontextModes *visual,
= st_new_renderbuffer_fb(GL_DEPTH_COMPONENT16);
_mesa_add_renderbuffer(&stfb->Base, BUFFER_DEPTH, depthRb);
}
else
assert(0);
/* now add any/all software-based renderbuffers we may need */
_mesa_add_soft_renderbuffers(&stfb->Base,