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vk: Fix stride of stencil buffers 

Stencil buffers have strange pitch. The PRM says:

  The pitch must be set to 2x the value computed based on width,
  as the stencil buffer is stored with two rows interleaved.
This commit is contained in:
Chad Versace 2015-08-28 08:03:31 -07:00
parent 31af126229
commit 14e1d58fb7
2 changed files with 16 additions and 2 deletions
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9
src/vulkan/gen7_cmd_buffer.c
View File

@ -585,7 +585,14 @@ gen7_cmd_buffer_emit_depth_stencil(struct anv_cmd_buffer *cmd_buffer)
if (has_stencil) {
anv_batch_emit(&cmd_buffer->batch, GEN7_3DSTATE_STENCIL_BUFFER,
.StencilBufferObjectControlState = GEN7_MOCS,
.SurfacePitch = image->stencil_surface.stride - 1,
/* Stencil buffers have strange pitch. The PRM says:
*
* The pitch must be set to 2x the value computed based on width,
* as the stencil buffer is stored with two rows interleaved.
*/
.SurfacePitch = 2 * image->stencil_surface.stride - 1,
.SurfaceBaseAddress = {
.bo = image->bo,
.offset = image->offset + image->stencil_surface.offset,

9
src/vulkan/gen8_cmd_buffer.c
View File

@ -520,7 +520,14 @@ gen8_cmd_buffer_emit_depth_stencil(struct anv_cmd_buffer *cmd_buffer)
anv_batch_emit(&cmd_buffer->batch, GEN8_3DSTATE_STENCIL_BUFFER,
.StencilBufferEnable = true,
.StencilBufferObjectControlState = GEN8_MOCS,
.SurfacePitch = image->stencil_surface.stride - 1,
/* Stencil buffers have strange pitch. The PRM says:
*
* The pitch must be set to 2x the value computed based on width,
* as the stencil buffer is stored with two rows interleaved.
*/
.SurfacePitch = 2 * image->stencil_surface.stride - 1,
.SurfaceBaseAddress = {
.bo = image->bo,
.offset = image->offset + image->stencil_surface.offset,