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i965: Use blorp instead of meta for PBO texture downloads

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Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
This commit is contained in:
Jason Ekstrand 2017-06-06 09:58:23 -07:00 • committed by Kenneth Graunke
parent 157faa407f
commit f933ef00e1
1 changed files with 29 additions and 4 deletions
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33
src/mesa/drivers/dri/i965/intel_tex_image.c
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@ -570,6 +570,31 @@ intel_image_target_texture_2d(struct gl_context *ctx, GLenum target,
intel_miptree_release(&mt);
}
static bool
intel_gettexsubimage_blorp(struct brw_context *brw,
struct gl_texture_image *tex_image,
unsigned x, unsigned y, unsigned z,
unsigned width, unsigned height, unsigned depth,
GLenum format, GLenum type, const void *pixels,
const struct gl_pixelstore_attrib *packing)
{
struct intel_texture_image *intel_image = intel_texture_image(tex_image);
const unsigned mt_level = tex_image->Level + tex_image->TexObject->MinLevel;
const unsigned mt_z = tex_image->TexObject->MinLayer + tex_image->Face + z;
/* The blorp path can't understand crazy format hackery */
if (_mesa_base_tex_format(&brw->ctx, tex_image->InternalFormat) !=
_mesa_get_format_base_format(tex_image->TexFormat))
return false;
return brw_blorp_download_miptree(brw, intel_image->mt,
tex_image->TexFormat, SWIZZLE_XYZW,
mt_level, x, y, mt_z,
width, height, depth,
tex_image->TexObject->Target,
format, type, false, pixels, packing);
}
/**
* \brief A fast path for glGetTexImage.
*
@ -719,10 +744,10 @@ intel_get_tex_sub_image(struct gl_context *ctx,
DBG("%s\n", __func__);
if (_mesa_is_bufferobj(ctx->Pack.BufferObj)) {
if (_mesa_meta_pbo_GetTexSubImage(ctx, 3, texImage,
xoffset, yoffset, zoffset,
width, height, depth, format, type,
pixels, &ctx->Pack)) {
if (intel_gettexsubimage_blorp(brw, texImage,
xoffset, yoffset, zoffset,
width, height, depth, format, type,
pixels, &ctx->Pack)) {
/* Flush to guarantee coherency between the render cache and other
* caches the PBO could potentially be bound to after this point.
* See the related comment in intelReadPixels() for a more detailed