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st/mesa: added some simple fbo debugging/helper code

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This commit is contained in:
Brian Paul 2012-06-25 11:28:03 -06:00
parent 45df3eb1db
commit 2a4af651e6
1 changed files with 25 additions and 1 deletions
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26
src/mesa/state_tracker/st_cb_fbo.c
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@ -57,6 +57,10 @@
#include "util/u_surface.h"
/** Set to 1 to enable extra debug code */
#define ST_DEBUG_FBO 0
static GLboolean
st_renderbuffer_alloc_sw_storage(struct gl_context * ctx,
struct gl_renderbuffer *rb,
@ -472,6 +476,16 @@ st_finish_render_texture(struct gl_context *ctx,
}
/** Debug helper */
static void
st_fbo_invalid(const char *reason)
{
#if ST_DEBUG_FBO
debug_printf("Invalid FBO: %s\n", reason);
#endif
}
/**
* Validate a renderbuffer attachment for a particular set of bindings.
*/
@ -484,6 +498,7 @@ st_validate_attachment(struct gl_context *ctx,
const struct st_texture_object *stObj = st_texture_object(att->Texture);
enum pipe_format format;
gl_format texFormat;
GLboolean valid;
/* Only validate texture attachments for now, since
* st_renderbuffer_alloc_storage makes sure that
@ -507,9 +522,14 @@ st_validate_attachment(struct gl_context *ctx,
format = st_mesa_format_to_pipe_format(linearFormat);
}
return screen->is_format_supported(screen, format,
valid = screen->is_format_supported(screen, format,
PIPE_TEXTURE_2D,
stObj->pt->nr_samples, bindings);
if (!valid) {
st_fbo_invalid("Invalid format");
}
return valid;
}
@ -558,12 +578,14 @@ st_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
screen->get_param(screen, PIPE_CAP_MIXED_COLORBUFFER_FORMATS) != 0;
if (depth->Type && stencil->Type && depth->Type != stencil->Type) {
st_fbo_invalid("Different Depth/Stencil buffer formats");
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
return;
}
if (depth->Type == GL_RENDERBUFFER_EXT &&
stencil->Type == GL_RENDERBUFFER_EXT &&
depth->Renderbuffer != stencil->Renderbuffer) {
st_fbo_invalid("Separate Depth/Stencil buffers");
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
return;
}
@ -571,6 +593,7 @@ st_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
stencil->Type == GL_TEXTURE &&
depth->Texture != stencil->Texture) {
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
st_fbo_invalid("Different Depth/Stencil textures");
return;
}
@ -613,6 +636,7 @@ st_validate_framebuffer(struct gl_context *ctx, struct gl_framebuffer *fb)
first_format = format;
} else if (format != first_format) {
fb->_Status = GL_FRAMEBUFFER_UNSUPPORTED_EXT;
st_fbo_invalid("Mixed color formats");
return;
}
}