Commit f301932d authored by Kristian Høgsberg's avatar Kristian Høgsberg

intel: Support EGL_MESA_image_drm

parent 9087ba12
......@@ -192,6 +192,22 @@ intel_region_alloc(struct intel_screen *screen,
aligned_pitch / cpp, tiling, buffer);
}
GLboolean
intel_region_flink(struct intel_region *region, uint32_t *name)
{
if (region->name == 0) {
if (drm_intel_bo_flink(region->buffer, &region->name))
return GL_FALSE;
_mesa_HashInsert(region->screen->named_regions,
region->name, region);
}
*name = region->name;
return GL_TRUE;
}
struct intel_region *
intel_region_alloc_for_handle(struct intel_screen *screen,
GLuint cpp,
......
......@@ -88,6 +88,9 @@ intel_region_alloc_for_handle(struct intel_screen *screen,
GLuint width, GLuint height, GLuint pitch,
unsigned int handle, const char *name);
GLboolean
intel_region_flink(struct intel_region *region, uint32_t *name);
void intel_region_reference(struct intel_region **dst,
struct intel_region *src);
......
......@@ -207,11 +207,79 @@ intel_destroy_image(__DRIimage *image)
FREE(image);
}
static __DRIimage *
intel_create_image(__DRIscreen *screen,
int width, int height, int format,
unsigned int use,
void *loaderPrivate)
{
__DRIimage *image;
struct intel_screen *intelScreen = screen->private;
int cpp;
image = CALLOC(sizeof *image);
if (image == NULL)
return NULL;
switch (format) {
case __DRI_IMAGE_FORMAT_RGB565:
image->format = MESA_FORMAT_RGB565;
image->internal_format = GL_RGB;
image->data_type = GL_UNSIGNED_BYTE;
break;
case __DRI_IMAGE_FORMAT_XRGB8888:
image->format = MESA_FORMAT_XRGB8888;
image->internal_format = GL_RGB;
image->data_type = GL_UNSIGNED_BYTE;
break;
case __DRI_IMAGE_FORMAT_ARGB8888:
image->format = MESA_FORMAT_ARGB8888;
image->internal_format = GL_RGBA;
image->data_type = GL_UNSIGNED_BYTE;
break;
default:
free(image);
return NULL;
}
image->data = loaderPrivate;
cpp = _mesa_get_format_bytes(image->format);
image->region =
intel_region_alloc(intelScreen, I915_TILING_NONE,
cpp, width, height, GL_TRUE);
if (image->region == NULL) {
FREE(image);
return NULL;
}
return image;
}
static GLboolean
intel_query_image(__DRIimage *image, int attrib, int *value)
{
switch (attrib) {
case __DRI_IMAGE_ATTRIB_STRIDE:
*value = image->region->pitch * image->region->cpp;
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_HANDLE:
*value = image->region->buffer->handle;
return GL_TRUE;
case __DRI_IMAGE_ATTRIB_NAME:
return intel_region_flink(image->region, (uint32_t *) value);
default:
return GL_FALSE;
}
}
static struct __DRIimageExtensionRec intelImageExtension = {
{ __DRI_IMAGE, __DRI_IMAGE_VERSION },
intel_create_image_from_name,
intel_create_image_from_renderbuffer,
intel_destroy_image,
intel_create_image,
intel_query_image
};
static const __DRIextension *intelScreenExtensions[] = {
......
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