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authorBenjamin Franzke <benjaminfranzke@googlemail.com>2011-02-04 12:01:31 +0100
committerBenjamin Franzke <benjaminfranzke@googlemail.com>2011-02-07 13:52:28 +0100
commit2adfde3aaee43d7ec974d25794a07fe02f36c6cd (patch)
treef66ca721c59ea87bbd22d4badbfd790c7417076c /src/mesa
parentf8e939a3a737971ac9d59494a0c433c22b25e628 (diff)
intel: Implement dri2::{Allocate,Release}Buffer
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/intel/intel_screen.c47
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. */