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freedreno/a6xx: Turn on tessellation shaders 

Wow. Very triangle. So shader.

Signed-off-by: Kristian H. Kristensen <hoegsberg@google.com>
Acked-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Kristian H. Kristensen 2019-10-22 19:51:38 -07:00
parent 53782571ae
commit 3699a74a43
1 changed files with 13 additions and 1 deletions
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14
src/gallium/drivers/freedreno/freedreno_screen.c
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@ -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: */