diff options
| author | Marek Olšák <[email protected]> | 2014-12-28 21:51:35 +0100 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2015-01-07 12:06:43 +0100 |
| commit | 368b0a734045db0c8d3b44a00c6499bfb70c6411 (patch) | |
| tree | ed35d276d75132f49793b4393273a53e1e6c3dac /src/gallium/drivers/radeonsi | |
| parent | d1d2af2398fc439865f08f1008cb03675da80264 (diff) | |
radeonsi: clarify a hw bug in shader exports
Reviewed-by: Michel Dänzer <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeonsi')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_shader.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c index 09d7849a373..169449054ad 100644 --- a/src/gallium/drivers/radeonsi/si_shader.c +++ b/src/gallium/drivers/radeonsi/si_shader.c @@ -59,6 +59,7 @@ struct si_shader_context struct tgsi_parse_context parse; struct tgsi_token * tokens; struct si_shader *shader; + struct si_screen *screen; unsigned type; /* TGSI_PROCESSOR_* specifies the type of shader. */ int param_streamout_config; int param_streamout_write_index; @@ -1400,10 +1401,7 @@ static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context * bld_base) if (stencil_index >= 0) { out_ptr = si_shader_ctx->radeon_bld.soa.outputs[stencil_index][1]; args[6] = LLVMBuildLoad(base->gallivm->builder, out_ptr, ""); - /* Only setting the stencil component bit (0x2) here - * breaks some stencil piglit tests - */ - mask |= 0x3; + mask |= 0x2; si_shader_ctx->shader->db_shader_control |= S_02880C_STENCIL_TEST_VAL_EXPORT_ENABLE(1); } @@ -1411,10 +1409,16 @@ static void si_llvm_emit_fs_epilogue(struct lp_build_tgsi_context * bld_base) if (samplemask_index >= 0) { out_ptr = si_shader_ctx->radeon_bld.soa.outputs[samplemask_index][0]; args[7] = LLVMBuildLoad(base->gallivm->builder, out_ptr, ""); - mask |= 0xf; /* Set all components. */ + mask |= 0x4; si_shader_ctx->shader->db_shader_control |= S_02880C_MASK_EXPORT_ENABLE(1); } + /* SI (except OLAND) has a bug that it only looks + * at the X writemask component. */ + if (si_shader_ctx->screen->b.chip_class == SI && + si_shader_ctx->screen->b.family != CHIP_OLAND) + mask |= 0x1; + if (samplemask_index >= 0) si_shader_ctx->shader->spi_shader_z_format = V_028710_SPI_SHADER_32_ABGR; else if (stencil_index >= 0) @@ -2740,6 +2744,7 @@ int si_shader_create(struct si_screen *sscreen, struct si_shader *shader) tgsi_parse_init(&si_shader_ctx.parse, si_shader_ctx.tokens); si_shader_ctx.shader = shader; si_shader_ctx.type = si_shader_ctx.parse.FullHeader.Processor.Processor; + si_shader_ctx.screen = sscreen; switch (si_shader_ctx.type) { case TGSI_PROCESSOR_VERTEX: |