diff options
| author | Ilia Mirkin <[email protected]> | 2014-08-14 00:09:18 -0400 |
|---|---|---|
| committer | Ilia Mirkin <[email protected]> | 2014-08-14 20:25:32 -0400 |
| commit | 88b0c6403fd97e5527a684732250162242f340c2 (patch) | |
| tree | 41d2f76255d282a41684fbd35c2d331e2933b593 | |
| parent | 8ee74ce50f980a15ab68ad40df702831ac8d68e0 (diff) | |
mesa/st: add support for emitting fine derivative opcodes
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
| -rw-r--r-- | src/mesa/state_tracker/st_extensions.c | 3 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 9 |
2 files changed, 10 insertions, 2 deletions
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index eace3218a3f..24e886ccb80 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -458,7 +458,8 @@ void st_init_extensions(struct pipe_screen *screen, { o(ARB_texture_multisample), PIPE_CAP_TEXTURE_MULTISAMPLE }, { o(ARB_texture_query_lod), PIPE_CAP_TEXTURE_QUERY_LOD }, { o(ARB_sample_shading), PIPE_CAP_SAMPLE_SHADING }, - { o(ARB_draw_indirect), PIPE_CAP_DRAW_INDIRECT } + { o(ARB_draw_indirect), PIPE_CAP_DRAW_INDIRECT }, + { o(ARB_derivative_control), PIPE_CAP_TGSI_FS_FINE_DERIVATIVE }, }; /* Required: render target and sampler support */ diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 4898166eb3e..84bdc4f0617 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -1462,9 +1462,15 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) break; case ir_unop_dFdx: + case ir_unop_dFdx_coarse: emit(ir, TGSI_OPCODE_DDX, result_dst, op[0]); break; + case ir_unop_dFdx_fine: + emit(ir, TGSI_OPCODE_DDX_FINE, result_dst, op[0]); + break; case ir_unop_dFdy: + case ir_unop_dFdy_coarse: + case ir_unop_dFdy_fine: { /* The X component contains 1 or -1 depending on whether the framebuffer * is a FBO or the window system buffer, respectively. @@ -1485,7 +1491,8 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) st_src_reg temp = get_temp(glsl_type::vec4_type); emit(ir, TGSI_OPCODE_MUL, st_dst_reg(temp), transform_y, op[0]); - emit(ir, TGSI_OPCODE_DDY, result_dst, temp); + emit(ir, ir->operation == ir_unop_dFdy_fine ? + TGSI_OPCODE_DDY_FINE : TGSI_OPCODE_DDY, result_dst, temp); break; } |