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gallium: identify depth-stencil textures

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And don't use the display-target path to allocate them.
This commit is contained in:
Keith Whitwell
2008-05-02 17:56:01 +01:00
parent 7849ccb2a7
commit b2021e7c06
2 changed files with 16 additions and 3 deletions
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3
src/gallium/include/pipe/p_state.h
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@@ -286,7 +286,8 @@ struct pipe_surface
#define PIPE_TEXTURE_USAGE_RENDER_TARGET 0x1
#define PIPE_TEXTURE_USAGE_DISPLAY_TARGET 0x2 /* ie a backbuffer */
#define PIPE_TEXTURE_USAGE_SAMPLER 0x4
#define PIPE_TEXTURE_USAGE_DEPTH_STENCIL 0x4
#define PIPE_TEXTURE_USAGE_SAMPLER 0x8
/**
* Texture object.

16
src/mesa/state_tracker/st_cb_fbo.c
View File

@@ -77,6 +77,11 @@ init_renderbuffer_bits(struct st_renderbuffer *strb,
return info.size;
}
static INLINE GLboolean pf_is_depth_stencil( enum pipe_format format )
{
return (pf_get_component_bits( format, PIPE_FORMAT_COMP_Z ) +
pf_get_component_bits( format, PIPE_FORMAT_COMP_S )) != 0;
}
/**
* gl_renderbuffer::AllocStorage()
@@ -117,8 +122,15 @@ st_renderbuffer_alloc_storage(GLcontext * ctx, struct gl_renderbuffer *rb,
template.height[0] = height;
template.depth[0] = 1;
template.last_level = 0;
template.tex_usage = (PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
PIPE_TEXTURE_USAGE_RENDER_TARGET);
if (pf_is_depth_stencil(template.format)) {
template.tex_usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
}
else {
template.tex_usage = (PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
PIPE_TEXTURE_USAGE_RENDER_TARGET);
}
/* Probably need dedicated flags for surface usage too:
*/