static GLboolean
intel_alloc_texture_image_buffer(struct gl_context *ctx,
struct gl_texture_image *image)
{
struct intel_context *intel = intel_context(ctx);
struct intel_texture_image *intel_image = intel_texture_image(image);
struct gl_texture_object *texobj = image->TexObject;
struct intel_texture_object *intel_texobj = intel_texture_object(texobj);
GLuint slices;
assert(image->Border == 0);
/* Because the driver uses AllocTextureImageBuffer() internally, it may end
* up mismatched with FreeTextureImageBuffer(), but that is safe to call
* multiple times.
*/
ctx->Driver.FreeTextureImageBuffer(ctx, image);
/* Allocate the swrast_texture_image::ImageOffsets array now */
switch (texobj->Target) {
case GL_TEXTURE_3D:
case GL_TEXTURE_2D_ARRAY:
slices = image->Depth;
break;
case GL_TEXTURE_1D_ARRAY:
slices = image->Height;
break;
default:
slices = 1;
}
assert(!intel_image->base.ImageOffsets);
intel_image->base.ImageOffsets = malloc(slices * sizeof(GLuint));
_swrast_init_texture_image(image);
if (intel_texobj->mt &&
intel_miptree_match_image(intel_texobj->mt, image)) {
intel_miptree_reference(&intel_image->mt, intel_texobj->mt);
DBG("%s: alloc obj %p level %d %dx%dx%d using object's miptree %p\n",
__FUNCTION__, texobj, image->Level,
image->Width, image->Height, image->Depth, intel_texobj->mt);
} else {
intel_image->mt = intel_miptree_create_for_teximage(intel, intel_texobj,
intel_image,
false);
/* Even if the object currently has a mipmap tree associated
* with it, this one is a more likely candidate to represent the
* whole object since our level didn't fit what was there
* before, and any lower levels would fit into our miptree.
*/
intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
DBG("%s: alloc obj %p level %d %dx%dx%d using new miptree %p\n",
__FUNCTION__, texobj, image->Level,
image->Width, image->Height, image->Depth, intel_image->mt);
}
return true;
}
static GLboolean
intel_alloc_texture_image_buffer(struct gl_context *ctx,
struct gl_texture_image *image)
{
struct brw_context *brw = brw_context(ctx);
struct intel_texture_image *intel_image = intel_texture_image(image);
struct gl_texture_object *texobj = image->TexObject;
struct intel_texture_object *intel_texobj = intel_texture_object(texobj);
assert(image->Border == 0);
/* Quantize sample count */
if (image->NumSamples) {
image->NumSamples = intel_quantize_num_samples(brw->screen, image->NumSamples);
if (!image->NumSamples)
return false;
}
/* Because the driver uses AllocTextureImageBuffer() internally, it may end
* up mismatched with FreeTextureImageBuffer(), but that is safe to call
* multiple times.
*/
ctx->Driver.FreeTextureImageBuffer(ctx, image);
if (!_swrast_init_texture_image(image))
return false;
if (intel_texobj->mt &&
intel_miptree_match_image(intel_texobj->mt, image)) {
intel_miptree_reference(&intel_image->mt, intel_texobj->mt);
DBG("%s: alloc obj %p level %d %dx%dx%d using object's miptree %p\n",
__func__, texobj, image->Level,
image->Width, image->Height, image->Depth, intel_texobj->mt);
} else {
intel_image->mt = intel_miptree_create_for_teximage(brw, intel_texobj,
intel_image,
MIPTREE_CREATE_DEFAULT);
if (!intel_image->mt)
return false;
/* Even if the object currently has a mipmap tree associated
* with it, this one is a more likely candidate to represent the
* whole object since our level didn't fit what was there
* before, and any lower levels would fit into our miptree.
*/
intel_miptree_reference(&intel_texobj->mt, intel_image->mt);
DBG("%s: alloc obj %p level %d %dx%dx%d using new miptree %p\n",
__func__, texobj, image->Level,
image->Width, image->Height, image->Depth, intel_image->mt);
}
intel_texobj->needs_validate = true;
return true;
}
