diff options
| author | Dave Airlie <[email protected]> | 2019-12-02 10:05:12 +1000 |
|---|---|---|
| committer | Dave Airlie <[email protected]> | 2019-12-03 15:29:04 +1000 |
| commit | 502548a09c5a87d06da97be45a2386bb1e5e800e (patch) | |
| tree | 8de5a066a58e01e1e394250debc5d60f678f135b /src/gallium/drivers/llvmpipe | |
| parent | f52cdaa517b0bea142a273acb5b48f359b73982b (diff) | |
gallivm/llvmpipe: add support for front facing in sysval.
This wires up the front facing value as a sysval, I'd like to
remove the other facing code but I'd need to confirm VMware
don't use it first.
Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src/gallium/drivers/llvmpipe')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_screen.c | 2 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_fs.c | 4 |
2 files changed, 5 insertions, 1 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c index 080b0635c64..0814145512c 100644 --- a/src/gallium/drivers/llvmpipe/lp_screen.c +++ b/src/gallium/drivers/llvmpipe/lp_screen.c @@ -337,7 +337,6 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_MULTI_DRAW_INDIRECT: case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS: case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL: - case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL: case PIPE_CAP_INVALIDATE_BUFFER: case PIPE_CAP_GENERATE_MIPMAP: case PIPE_CAP_STRING_MARKER: @@ -392,6 +391,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param) return LP_MAX_TGSI_SHADER_BUFFER_SIZE; case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT: case PIPE_CAP_TGSI_TG4_COMPONENT_IN_SWIZZLE: + case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL: return 1; case PIPE_CAP_LOAD_CONSTBUF: case PIPE_CAP_PACKED_UNIFORMS: diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c index d72c1a7498c..695ccb89682 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c @@ -342,6 +342,10 @@ generate_fs_loop(struct gallivm_state *gallivm, memset(&system_values, 0, sizeof(system_values)); + /* truncate then sign extend. */ + system_values.front_facing = LLVMBuildTrunc(gallivm->builder, facing, LLVMInt1TypeInContext(gallivm->context), ""); + system_values.front_facing = LLVMBuildSExt(gallivm->builder, system_values.front_facing, LLVMInt32TypeInContext(gallivm->context), ""); + if (key->depth.enabled || key->stencil[0].enabled) { |