diff options
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_screen.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c index 5d14bcd34c..2f35fe7f24 100644 --- a/src/mesa/drivers/dri/intel/intel_screen.c +++ b/src/mesa/drivers/dri/intel/intel_screen.c @@ -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. */ |