fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-06 00:49:04 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

Initial attempt at software fallback for rendering to a hardware texture

Browse source 
when the texture format isn't supported by the hw rendering system.
Doesn't work yet.
This commit is contained in:
Brian Paul 2006-03-23 01:13:43 +00:00
parent 2b464d93d1
commit 1c4b9edc41
1 changed files with 21 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
src/mesa/drivers/dri/i915/intel_fbo.c
View file

@ -33,6 +33,7 @@
#include "renderbuffer.h"
#include "context.h"
#include "texformat.h"
#include "texrender.h"
#include "intel_context.h"
#include "intel_buffers.h"
@ -258,6 +259,8 @@ intel_alloc_renderbuffer_storage(GLcontext *ctx, struct gl_renderbuffer *rb,
if (!irb->region)
return GL_FALSE; /* out of memory? */
ASSERT(irb->region->buffer);
rb->Width = width;
rb->Height = height;
@ -573,6 +576,8 @@ intel_renderbuffer_texture(GLcontext *ctx,
else {
/* fallback to software rendering */
_mesa_problem(ctx, "Render to texture - unsupported hw format");
_mesa_renderbuffer_texture(ctx, fb, att);
/* XXX FBO: Need to map the buffer (or in intelSpanRenderStart???) */
}
}
@ -588,19 +593,25 @@ intel_finish_render_texture(GLcontext *ctx,
struct intel_renderbuffer *irb
= intel_renderbuffer(att->Renderbuffer);
assert(irb);
if (irb) {
/* hardware */
intel_region_release(intel, &irb->region);
intel_region_release(intel, &irb->region);
irb->Base.RefCount--;
irb->Base.RefCount--;
/*
_mesa_debug(ctx, "intel_finish_render_texture, refcount=%d\n",
irb->Base.RefCount);
*/
/*
_mesa_debug(ctx, "intel_finish_render_texture, refcount=%d\n",
irb->Base.RefCount);
*/
/* should never hit zero here */
assert(irb->Base.RefCount > 0);
/* should never hit zero here */
assert(irb->Base.RefCount > 0);
}
else {
/* software */
_mesa_finish_render_texture(ctx, att);
/* XXX FBO: Need to unmap the buffer (or in intelSpanRenderStart???) */
}
}