static __DRIimage *
intel_create_image_from_renderbuffer(__DRIcontext *context,
int renderbuffer, void *loaderPrivate)
{
__DRIimage *image;
struct intel_context *intel = context->driverPrivate;
struct gl_renderbuffer *rb;
struct intel_renderbuffer *irb;
rb = _mesa_lookup_renderbuffer(&intel->ctx, renderbuffer);
if (!rb) {
_mesa_error(&intel->ctx,
GL_INVALID_OPERATION, "glRenderbufferExternalMESA");
return NULL;
}
irb = intel_renderbuffer(rb);
image = calloc(1, sizeof *image);
if (image == NULL)
return NULL;
image->internal_format = rb->InternalFormat;
image->format = rb->Format;
image->offset = 0;
image->data = loaderPrivate;
intel_region_reference(&image->region, irb->mt->region);
intel_setup_image_from_dimensions(image);
image->dri_format = driGLFormatToImageFormat(image->format);
rb->NeedsFinishRenderTexture = true;
return image;
}
static __DRIimage *
intel_create_image_from_texture(__DRIcontext *context, int target,
unsigned texture, int zoffset,
int level,
unsigned *error,
void *loaderPrivate)
{
__DRIimage *image;
struct brw_context *brw = context->driverPrivate;
struct gl_texture_object *obj;
struct intel_texture_object *iobj;
GLuint face = 0;
obj = _mesa_lookup_texture(&brw->ctx, texture);
if (!obj || obj->Target != target) {
*error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
return NULL;
}
if (target == GL_TEXTURE_CUBE_MAP)
face = zoffset;
_mesa_test_texobj_completeness(&brw->ctx, obj);
iobj = intel_texture_object(obj);
if (!obj->_BaseComplete || (level > 0 && !obj->_MipmapComplete)) {
*error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
return NULL;
}
if (level < obj->BaseLevel || level > obj->_MaxLevel) {
*error = __DRI_IMAGE_ERROR_BAD_MATCH;
return NULL;
}
if (target == GL_TEXTURE_3D && obj->Image[face][level]->Depth < zoffset) {
*error = __DRI_IMAGE_ERROR_BAD_MATCH;
return NULL;
}
image = calloc(1, sizeof *image);
if (image == NULL) {
*error = __DRI_IMAGE_ERROR_BAD_ALLOC;
return NULL;
}
image->internal_format = obj->Image[face][level]->InternalFormat;
image->format = obj->Image[face][level]->TexFormat;
image->data = loaderPrivate;
intel_setup_image_from_mipmap_tree(brw, image, iobj->mt, level, zoffset);
image->dri_format = driGLFormatToImageFormat(image->format);
image->has_depthstencil = iobj->mt->stencil_mt? true : false;
if (image->dri_format == MESA_FORMAT_NONE) {
*error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
free(image);
return NULL;
}
*error = __DRI_IMAGE_ERROR_SUCCESS;
return image;
}
static void
intel_update_image_buffers(struct intel_context *intel, __DRIdrawable *drawable)
{
struct gl_framebuffer *fb = drawable->driverPrivate;
__DRIscreen *screen = intel->intelScreen->driScrnPriv;
struct intel_renderbuffer *front_rb;
struct intel_renderbuffer *back_rb;
struct __DRIimageList images;
unsigned int format;
uint32_t buffer_mask = 0;
int ret;
front_rb = intel_get_renderbuffer(fb, BUFFER_FRONT_LEFT);
back_rb = intel_get_renderbuffer(fb, BUFFER_BACK_LEFT);
if (back_rb)
format = intel_rb_format(back_rb);
else if (front_rb)
format = intel_rb_format(front_rb);
else
return;
if (front_rb && (_mesa_is_front_buffer_drawing(fb) ||
_mesa_is_front_buffer_reading(fb) || !back_rb)) {
buffer_mask |= __DRI_IMAGE_BUFFER_FRONT;
}
if (back_rb)
buffer_mask |= __DRI_IMAGE_BUFFER_BACK;
ret = screen->image.loader->getBuffers(drawable,
driGLFormatToImageFormat(format),
&drawable->dri2.stamp,
drawable->loaderPrivate,
buffer_mask,
&images);
if (!ret)
return;
if (images.image_mask & __DRI_IMAGE_BUFFER_FRONT) {
drawable->w = images.front->width;
drawable->h = images.front->height;
intel_update_image_buffer(intel,
drawable,
front_rb,
images.front,
__DRI_IMAGE_BUFFER_FRONT);
}
if (images.image_mask & __DRI_IMAGE_BUFFER_BACK) {
drawable->w = images.back->width;
drawable->h = images.back->height;
intel_update_image_buffer(intel,
drawable,
back_rb,
images.back,
__DRI_IMAGE_BUFFER_BACK);
}
}
static __DRIimage *
intel_create_image_from_renderbuffer(__DRIcontext *context,
int renderbuffer, void *loaderPrivate)
{
__DRIimage *image;
struct brw_context *brw = context->driverPrivate;
struct gl_context *ctx = &brw->ctx;
struct gl_renderbuffer *rb;
struct intel_renderbuffer *irb;
rb = _mesa_lookup_renderbuffer(ctx, renderbuffer);
if (!rb) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glRenderbufferExternalMESA");
return NULL;
}
irb = intel_renderbuffer(rb);
intel_miptree_make_shareable(brw, irb->mt);
image = calloc(1, sizeof *image);
if (image == NULL)
return NULL;
image->internal_format = rb->InternalFormat;
image->format = rb->Format;
image->offset = 0;
image->data = loaderPrivate;
drm_intel_bo_unreference(image->bo);
image->bo = irb->mt->bo;
drm_intel_bo_reference(irb->mt->bo);
image->width = rb->Width;
image->height = rb->Height;
image->pitch = irb->mt->pitch;
image->dri_format = driGLFormatToImageFormat(image->format);
image->has_depthstencil = irb->mt->stencil_mt? true : false;
rb->NeedsFinishRenderTexture = true;
return image;
}
static __DRIimage *
dri2_create_from_texture(__DRIcontext *context, int target, unsigned texture,
int depth, int level, unsigned *error,
void *loaderPrivate)
{
__DRIimage *img;
struct gl_context *ctx = ((struct st_context *)dri_context(context)->st)->ctx;
struct gl_texture_object *obj;
struct pipe_resource *tex;
GLuint face = 0;
obj = _mesa_lookup_texture(ctx, texture);
if (!obj || obj->Target != target) {
*error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
return NULL;
}
tex = st_get_texobj_resource(obj);
if (!tex) {
*error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
return NULL;
}
if (target == GL_TEXTURE_CUBE_MAP)
face = depth;
_mesa_test_texobj_completeness(ctx, obj);
if (!obj->_BaseComplete || (level > 0 && !obj->_MipmapComplete)) {
*error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
return NULL;
}
if (level < obj->BaseLevel || level > obj->_MaxLevel) {
*error = __DRI_IMAGE_ERROR_BAD_MATCH;
return NULL;
}
if (target == GL_TEXTURE_3D && obj->Image[face][level]->Depth < depth) {
*error = __DRI_IMAGE_ERROR_BAD_MATCH;
return NULL;
}
img = CALLOC_STRUCT(__DRIimageRec);
if (!img) {
*error = __DRI_IMAGE_ERROR_BAD_ALLOC;
return NULL;
}
img->level = level;
img->layer = depth;
img->dri_format = driGLFormatToImageFormat(obj->Image[face][level]->TexFormat);
img->loader_private = loaderPrivate;
if (img->dri_format == __DRI_IMAGE_FORMAT_NONE) {
*error = __DRI_IMAGE_ERROR_BAD_PARAMETER;
free(img);
return NULL;
}
pipe_resource_reference(&img->texture, tex);
*error = __DRI_IMAGE_ERROR_SUCCESS;
return img;
}