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vc4: Keep a reference to BOs queued for rendering.

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Otherwise, once we're not flushing at the end of every draw, we'll free
things like gallium resources, and free the backing GEM object, before
we've flushed the rendering using it to the kernel.
This commit is contained in:
Eric Anholt 2014-07-31 12:19:29 -07:00
parent 771d86abd6
commit 027d730aff
3 changed files with 4 additions and 8 deletions
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5
src/gallium/drivers/vc4/vc4_cl.c
View file

@ -61,10 +61,7 @@ vc4_gem_hindex(struct vc4_context *vc4, struct vc4_bo *bo)
}
cl_u32(&vc4->bo_handles, bo->handle);
#ifdef USE_VC4_SIMULATOR
cl_ptr(&vc4->bo_pointers, bo);
#endif
cl_ptr(&vc4->bo_pointers, vc4_bo_reference(bo));
return hindex;
}

5
src/gallium/drivers/vc4/vc4_context.c
View file

@ -226,9 +226,10 @@ vc4_flush(struct pipe_context *pctx)
vc4_reset_cl(&vc4->shader_rec);
vc4_reset_cl(&vc4->uniforms);
vc4_reset_cl(&vc4->bo_handles);
#ifdef USE_VC4_SIMULATOR
struct vc4_bo **referenced_bos = vc4->bo_pointers.base;
for (int i = 0; i < submit.bo_handle_count; i++)
vc4_bo_unreference(&referenced_bos[i]);
vc4_reset_cl(&vc4->bo_pointers);
#endif
vc4->shader_rec_count = 0;
vc4->needs_flush = false;

2
src/gallium/drivers/vc4/vc4_context.h
View file

@ -123,9 +123,7 @@ struct vc4_context {
struct vc4_cl shader_rec;
struct vc4_cl uniforms;
struct vc4_cl bo_handles;
#ifdef USE_VC4_SIMULATOR
struct vc4_cl bo_pointers;
#endif
uint32_t shader_rec_count;
struct vc4_bo *tile_alloc;