/**
* ctx->Driver.AllocTextureStorage() handler.
*
* Compare this to _mesa_alloc_texture_storage, which would call into
* intel_alloc_texture_image_buffer() above.
*/
static GLboolean
intel_alloc_texture_storage(struct gl_context *ctx,
struct gl_texture_object *texobj,
GLsizei levels, GLsizei width,
GLsizei height, GLsizei depth)
{
struct brw_context *brw = brw_context(ctx);
struct intel_texture_object *intel_texobj = intel_texture_object(texobj);
struct gl_texture_image *first_image = texobj->Image[0][0];
int num_samples = intel_quantize_num_samples(brw->intelScreen,
first_image->NumSamples);
const int numFaces = _mesa_num_tex_faces(texobj->Target);
int face;
int level;
/* If the object's current miptree doesn't match what we need, make a new
* one.
*/
if (!intel_texobj->mt ||
!intel_miptree_match_image(intel_texobj->mt, first_image) ||
intel_texobj->mt->last_level != levels - 1) {
intel_miptree_release(&intel_texobj->mt);
intel_texobj->mt = intel_miptree_create(brw, texobj->Target,
first_image->TexFormat,
0, levels - 1,
width, height, depth,
false, /* expect_accelerated */
num_samples,
INTEL_MIPTREE_TILING_ANY,
false);
if (intel_texobj->mt == NULL) {
return false;
}
}
for (face = 0; face < numFaces; face++) {
for (level = 0; level < levels; level++) {
struct gl_texture_image *image = texobj->Image[face][level];
struct intel_texture_image *intel_image = intel_texture_image(image);
image->NumSamples = num_samples;
_swrast_free_texture_image_buffer(ctx, image);
if (!_swrast_init_texture_image(image))
return false;
intel_miptree_reference(&intel_image->mt, intel_texobj->mt);
}
}
/* The miptree is in a validated state, so no need to check later. */
intel_texobj->needs_validate = false;
intel_texobj->validated_first_level = 0;
intel_texobj->validated_last_level = levels - 1;
intel_texobj->_Format = intel_texobj->mt->format;
return true;
}
static void
intel_free_texture_image_buffer(struct gl_context * ctx,
struct gl_texture_image *texImage)
{
struct intel_texture_image *intelImage = intel_texture_image(texImage);
DBG("%s\n", __FUNCTION__);
intel_miptree_release(&intelImage->mt);
_swrast_free_texture_image_buffer(ctx, texImage);
}
/**
* Free memory associated with this texture image.
*/
void radeonFreeTextureImageBuffer(struct gl_context *ctx, struct gl_texture_image *timage)
{
radeon_texture_image* image = get_radeon_texture_image(timage);
if (image->mt) {
radeon_miptree_unreference(&image->mt);
} else {
_swrast_free_texture_image_buffer(ctx, timage);
}
if (image->bo) {
radeon_bo_unref(image->bo);
image->bo = NULL;
}
if (image->base.Buffer) {
_mesa_align_free(image->base.Buffer);
image->base.Buffer = NULL;
}
free(image->base.ImageOffsets);
image->base.ImageOffsets = NULL;
}
