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Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_screen.c')
-rw-r--r--src/mesa/drivers/dri/intel/intel_screen.c135
1 files changed, 127 insertions, 8 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c
index 55cebaca013..7476ca00414 100644
--- a/src/mesa/drivers/dri/intel/intel_screen.c
+++ b/src/mesa/drivers/dri/intel/intel_screen.c
@@ -190,6 +190,59 @@ static const struct __DRI2flushExtensionRec intelFlushExtension = {
dri2InvalidateDrawable,
};
+struct intel_image_format intel_image_formats[] = {
+ { __DRI_IMAGE_FOURCC_ARGB8888, __DRI_IMAGE_COMPONENTS_RGBA, 1,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_ARGB8888, 4 } } },
+
+ { __DRI_IMAGE_FOURCC_XRGB8888, __DRI_IMAGE_COMPONENTS_RGB, 1,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_XRGB8888, 4 }, } },
+
+ { __DRI_IMAGE_FOURCC_YUV410, __DRI_IMAGE_COMPONENTS_Y_U_V, 3,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 2, 2, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 2, 2, 2, __DRI_IMAGE_FORMAT_R8, 1 } } },
+
+ { __DRI_IMAGE_FOURCC_YUV411, __DRI_IMAGE_COMPONENTS_Y_U_V, 3,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 2, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 2, 2, 0, __DRI_IMAGE_FORMAT_R8, 1 } } },
+
+ { __DRI_IMAGE_FOURCC_YUV420, __DRI_IMAGE_COMPONENTS_Y_U_V, 3,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 1, 1, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 2, 1, 1, __DRI_IMAGE_FORMAT_R8, 1 } } },
+
+ { __DRI_IMAGE_FOURCC_YUV422, __DRI_IMAGE_COMPONENTS_Y_U_V, 3,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 1, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 2, 1, 0, __DRI_IMAGE_FORMAT_R8, 1 } } },
+
+ { __DRI_IMAGE_FOURCC_YUV444, __DRI_IMAGE_COMPONENTS_Y_U_V, 3,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 2, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 } } },
+
+ { __DRI_IMAGE_FOURCC_NV12, __DRI_IMAGE_COMPONENTS_Y_UV, 2,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 1, 1, __DRI_IMAGE_FORMAT_GR88, 2 } } },
+
+ { __DRI_IMAGE_FOURCC_NV16, __DRI_IMAGE_COMPONENTS_Y_UV, 2,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_R8, 1 },
+ { 1, 1, 0, __DRI_IMAGE_FORMAT_GR88, 2 } } },
+
+ /* For YUYV buffers, we set up two overlapping DRI images and treat
+ * them as planar buffers in the compositors. Plane 0 is GR88 and
+ * samples YU or YV pairs and places Y into the R component, while
+ * plane 1 is ARGB and samples YUYV clusters and places pairs and
+ * places U into the G component and V into A. This lets the
+ * texture sampler interpolate the Y components correctly when
+ * sampling from plane 0, and interpolate U and V correctly when
+ * sampling from plane 1. */
+ { __DRI_IMAGE_FOURCC_YUYV, __DRI_IMAGE_COMPONENTS_Y_XUXV, 2,
+ { { 0, 0, 0, __DRI_IMAGE_FORMAT_GR88, 2 },
+ { 0, 1, 0, __DRI_IMAGE_FORMAT_ARGB8888, 4 } } }
+};
+
static __DRIimage *
intel_allocate_image(int dri_format, void *loaderPrivate)
{
@@ -249,7 +302,7 @@ intel_create_image_from_name(__DRIscreen *screen,
image = intel_allocate_image(format, loaderPrivate);
if (image->format == MESA_FORMAT_NONE)
- cpp = 0;
+ cpp = 1;
else
cpp = _mesa_get_format_bytes(image->format);
image->region = intel_region_alloc_for_handle(intelScreen,
@@ -372,6 +425,11 @@ intel_query_image(__DRIimage *image, int attrib, int *value)
case __DRI_IMAGE_ATTRIB_HEIGHT:
*value = image->region->height;
return true;
+ case __DRI_IMAGE_ATTRIB_COMPONENTS:
+ if (image->planar_format == NULL)
+ return false;
+ *value = image->planar_format->components;
+ return true;
default:
return false;
}
@@ -393,11 +451,15 @@ intel_dup_image(__DRIimage *orig_image, void *loaderPrivate)
}
image->internal_format = orig_image->internal_format;
+ image->planar_format = orig_image->planar_format;
image->dri_format = orig_image->dri_format;
image->format = orig_image->format;
image->offset = orig_image->offset;
image->data = loaderPrivate;
-
+
+ memcpy(image->strides, orig_image->strides, sizeof(image->strides));
+ memcpy(image->offsets, orig_image->offsets, sizeof(image->offsets));
+
return image;
}
@@ -413,16 +475,72 @@ intel_validate_usage(__DRIimage *image, unsigned int use)
}
static __DRIimage *
-intel_create_sub_image(__DRIimage *parent,
- int width, int height, int dri_format,
- int offset, int pitch, void *loaderPrivate)
+intel_create_image_from_names(__DRIscreen *screen,
+ int width, int height, int fourcc,
+ int *names, int num_names,
+ int *strides, int *offsets,
+ void *loaderPrivate)
{
+ struct intel_image_format *f = NULL;
__DRIimage *image;
- int cpp;
+ int i, index;
+
+ if (screen == NULL || names == NULL || num_names != 1)
+ return NULL;
+
+ for (i = 0; i < ARRAY_SIZE(intel_image_formats); i++) {
+ if (intel_image_formats[i].fourcc == fourcc) {
+ f = &intel_image_formats[i];
+ }
+ }
+
+ if (f == NULL)
+ return NULL;
+
+ image = intel_create_image_from_name(screen, width, height,
+ __DRI_IMAGE_FORMAT_NONE,
+ names[0], strides[0],
+ loaderPrivate);
+
+ if (image == NULL)
+ return NULL;
+
+ image->planar_format = f;
+ for (i = 0; i < f->nplanes; i++) {
+ index = f->planes[i].buffer_index;
+ image->offsets[index] = offsets[index];
+ image->strides[index] = strides[index];
+ }
+
+ return image;
+}
+
+static __DRIimage *
+intel_from_planar(__DRIimage *parent, int plane, void *loaderPrivate)
+{
+ int width, height, offset, stride, dri_format, cpp, index, pitch;
+ struct intel_image_format *f;
uint32_t mask_x, mask_y;
+ __DRIimage *image;
+
+ if (parent == NULL || parent->planar_format == NULL)
+ return NULL;
+
+ f = parent->planar_format;
+
+ if (plane >= f->nplanes)
+ return NULL;
+
+ width = parent->region->width >> f->planes[plane].width_shift;
+ height = parent->region->height >> f->planes[plane].height_shift;
+ dri_format = f->planes[plane].dri_format;
+ index = f->planes[plane].buffer_index;
+ offset = parent->offsets[index];
+ stride = parent->strides[index];
image = intel_allocate_image(dri_format, loaderPrivate);
- cpp = _mesa_get_format_bytes(image->format);
+ cpp = _mesa_get_format_bytes(image->format); /* safe since no none format */
+ pitch = stride / cpp;
if (offset + height * cpp * pitch > parent->region->bo->size) {
_mesa_warning(NULL, "intel_create_sub_image: subimage out of bounds");
FREE(image);
@@ -463,7 +581,8 @@ static struct __DRIimageExtensionRec intelImageExtension = {
intel_query_image,
intel_dup_image,
intel_validate_usage,
- intel_create_sub_image
+ intel_create_image_from_names,
+ intel_from_planar
};
static const __DRIextension *intelScreenExtensions[] = {