diff options
| author | Ilia Mirkin <[email protected]> | 2014-07-02 12:17:59 -0400 |
|---|---|---|
| committer | Ilia Mirkin <[email protected]> | 2014-07-03 19:39:25 -0400 |
| commit | 0fb6f1bf1d0729486443996c620ea1b766489e15 (patch) | |
| tree | b904e6476d610cc0296182c92f4248c19dcfbd68 /src | |
| parent | 313acb3ffa2e73635807c4028b7aedced5bad379 (diff) | |
mesa/st: enable AMD_vertex_shader_viewport_index
The assumption is that any driver capable of emitting layer from the
vertex shader and supporting viewports should be able to also handle
emitting viewport index from the vertex shader.
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
Tested-by: Tobias Droste <[email protected]>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/state_tracker/st_extensions.c | 2 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_program.c | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index 982413568a4..b8b3d504a76 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -816,6 +816,8 @@ void st_init_extensions(struct st_context *st) ctx->Const.ViewportBounds.Max = 16384.0; ctx->Extensions.ARB_viewport_array = GL_TRUE; ctx->Extensions.ARB_fragment_layer_viewport = GL_TRUE; + if (ctx->Extensions.AMD_vertex_shader_layer) + ctx->Extensions.AMD_vertex_shader_viewport_index = GL_TRUE; } } if (ctx->Const.MaxProgramTextureGatherComponents > 0) diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c index 1df411c3b87..3570557fee6 100644 --- a/src/mesa/state_tracker/st_program.c +++ b/src/mesa/state_tracker/st_program.c @@ -262,6 +262,10 @@ st_prepare_vertex_program(struct gl_context *ctx, stvp->output_semantic_name[slot] = TGSI_SEMANTIC_LAYER; stvp->output_semantic_index[slot] = 0; break; + case VARYING_SLOT_VIEWPORT: + stvp->output_semantic_name[slot] = TGSI_SEMANTIC_VIEWPORT_INDEX; + stvp->output_semantic_index[slot] = 0; + break; case VARYING_SLOT_TEX0: case VARYING_SLOT_TEX1: |