This is mainly to accomodate AMD's LLVM compiler back-end by letting
it bypass the TGSI representation. Other drivers will keep using the
common TGSI instruction set for compute shaders.
---
src/gallium/docs/source/screen.rst | 5 +++++
src/gallium/include/pipe/p_defines.h | 1 +
src/gallium/include/pipe/p_state.h | 2 +-
3 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/gallium/docs/source/screen.rst
b/src/gallium/docs/source/screen.rst
index 622731f..0bce307 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -183,6 +183,11 @@ PIPE_COMPUTE_CAP_*
Compute-specific capabilities. They can be queried using
pipe_screen::get_compute_param.
+* ``PIPE_COMPUTE_CAP_IR_TARGET``: Desired representation of the
+ compute program. Its value should be a target triple specification
+ of the form ``processor-manufacturer-os`` that will be passed on to
+ the compiler, or ``tgsi`` if the driver accepts compute programs in
+ the common TGSI representation. Value type: null-terminated string.
* ``PIPE_COMPUTE_CAP_GRID_DIMENSION``: Number of supported dimensions
for grid and block coordinates. Value type: ``uint64_t``.
* ``PIPE_COMPUTE_CAP_MAX_GRID_SIZE``: Maximum grid size in block
diff --git a/src/gallium/include/pipe/p_defines.h
b/src/gallium/include/pipe/p_defines.h
index ec708b7..89e247e 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -529,6 +529,7 @@ enum pipe_shader_cap
*/
enum pipe_compute_cap
{
+ PIPE_COMPUTE_CAP_IR_TARGET,
PIPE_COMPUTE_CAP_GRID_DIMENSION,
PIPE_COMPUTE_CAP_MAX_GRID_SIZE,
PIPE_COMPUTE_CAP_MAX_BLOCK_SIZE,
diff --git a/src/gallium/include/pipe/p_state.h
b/src/gallium/include/pipe/p_state.h
index 8b6dc7e..bffe46f 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -580,7 +580,7 @@ struct pipe_resolve_info
struct pipe_compute_state
{
- const struct tgsi_token *tokens; /**< Compute program to be executed. */
+ const void *prog; /**< Compute program to be executed. */
unsigned req_local_mem; /**< Required size of the LOCAL resource. */
unsigned req_private_mem; /**< Required size of the PRIVATE resource. */
unsigned req_input_mem; /**< Required size of the INPUT resource. */
--
1.7.9.2
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