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intel: Implement dri2::{Allocate,Release}Buffer

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This commit is contained in:
Benjamin Franzke 2011-02-04 12:01:31 +01:00
parent f8e939a3a7
commit 2adfde3aae
1 changed files with 47 additions and 0 deletions
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47
src/mesa/drivers/dri/intel/intel_screen.c
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@ -634,6 +634,51 @@ __DRIconfig **intelInitScreen2(__DRIscreen *psp)
return (const __DRIconfig **)configs;
}
struct intel_buffer {
__DRIbuffer base;
struct intel_region *region;
};
static __DRIbuffer *
intelAllocateBuffer(__DRIscreen *screen,
unsigned attachment, unsigned format,
int width, int height)
{
struct intel_buffer *intelBuffer;
struct intel_screen *intelScreen = screen->private;
intelBuffer = CALLOC(sizeof *intelBuffer);
if (intelBuffer == NULL)
return NULL;
intelBuffer->region = intel_region_alloc(intelScreen, I915_TILING_NONE,
format / 8, width, height, GL_TRUE);
if (intelBuffer->region == NULL) {
FREE(intelBuffer);
return NULL;
}
intel_region_flink(intelBuffer->region, &intelBuffer->base.name);
intelBuffer->base.attachment = attachment;
intelBuffer->base.cpp = intelBuffer->region->cpp;
intelBuffer->base.pitch =
intelBuffer->region->pitch * intelBuffer->region->cpp;
return &intelBuffer->base;
}
static void
intelReleaseBuffer(__DRIscreen *screen, __DRIbuffer *buffer)
{
struct intel_buffer *intelBuffer = (struct intel_buffer *) buffer;
intel_region_release(&intelBuffer->region);
free(intelBuffer);
}
const struct __DriverAPIRec driDriverAPI = {
.DestroyScreen = intelDestroyScreen,
.CreateContext = intelCreateContext,
@ -643,6 +688,8 @@ const struct __DriverAPIRec driDriverAPI = {
.MakeCurrent = intelMakeCurrent,
.UnbindContext = intelUnbindContext,
.InitScreen2 = intelInitScreen2,
.AllocateBuffer = intelAllocateBuffer,
.ReleaseBuffer = intelReleaseBuffer
};
/* This is the table of extensions that the loader will dlsym() for. */