[Mesa-dev] [PATCH 2/8] swr: set caps for VB 4-byte alignment

[Tim Rowley]

Needed to compensate for change to fetch jit requiring
alignment.

Fixes regressions in piglit: vertex-buffer-offsets and about
another hundred of the vs-input*byte* tests.
---
 src/gallium/drivers/swr/swr_screen.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/gallium/drivers/swr/swr_screen.cpp b/src/gallium/drivers/swr/swr_screen.cpp
index cc8d995..85bf765 100644
--- a/src/gallium/drivers/swr/swr_screen.cpp
+++ b/src/gallium/drivers/swr/swr_screen.cpp
@@ -263,6 +263,12 @@ swr_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_FAKE_SW_MSAA:
       return (swr_screen(screen)->msaa_max_count > 1) ? 0 : 1;
 
+   /* fetch jit change for 2-4GB buffers requires alignment */
+   case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
+   case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
+   case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
+      return 1;
+
       /* unsupported features */
    case PIPE_CAP_ANISOTROPIC_FILTER:
    case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
@@ -274,9 +280,6 @@ swr_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_COMPUTE:
    case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
    case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
-   case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
-   case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
-   case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
    case PIPE_CAP_TGSI_TEXCOORD:
    case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
    case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
-- 
2.7.4