diff options
| author | Kristian H. Kristensen <[email protected]> | 2019-10-22 19:51:38 -0700 |
|---|---|---|
| committer | Kristian H. Kristensen <[email protected]> | 2019-11-07 16:40:27 -0800 |
| commit | 3699a74a4323a8e0873a1be3e2f788786b813bf7 (patch) | |
| tree | 1bd51bbb5290d04c7fce6af000d683db020d341c | |
| parent | 53782571ae3b7c3f112c01914937ee622b6690c5 (diff) | |
freedreno/a6xx: Turn on tessellation shaders
Wow. Very triangle. So shader.
Signed-off-by: Kristian H. Kristensen <[email protected]>
Acked-by: Eric Anholt <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
| -rw-r--r-- | src/gallium/drivers/freedreno/freedreno_screen.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c index 6b175c89324..6f75f6ed22b 100644 --- a/src/gallium/drivers/freedreno/freedreno_screen.c +++ b/src/gallium/drivers/freedreno/freedreno_screen.c @@ -346,6 +346,13 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_MAX_VARYINGS: return 16; + case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS: + /* We don't really have a limit on this, it all goes into the main + * memory buffer. Needs to be at least 120 / 4 (minimum requirement + * for GL_MAX_TESS_PATCH_COMPONENTS). + */ + return 128; + case PIPE_CAP_SHAREABLE_SHADERS: case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY: /* manage the variants for these ourself, to avoid breaking precompile: */ @@ -471,6 +478,8 @@ fd_screen_get_shader_param(struct pipe_screen *pscreen, case PIPE_SHADER_FRAGMENT: case PIPE_SHADER_VERTEX: break; + case PIPE_SHADER_TESS_CTRL: + case PIPE_SHADER_TESS_EVAL: case PIPE_SHADER_GEOMETRY: if (is_a6xx(screen)) break; @@ -514,8 +523,11 @@ fd_screen_get_shader_param(struct pipe_screen *pscreen, * everything is just normal registers. This is just temporary * hack until load_input/store_output handle arrays in a similar * way as load_var/store_var.. + * + * For tessellation stages, inputs are loaded using ldlw or ldg, both + * of which support indirection. */ - return 0; + return shader == PIPE_SHADER_TESS_CTRL || shader == PIPE_SHADER_TESS_EVAL; case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR: case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR: /* a2xx compiler doesn't handle indirect: */ |