diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_state.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_state.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c index 994887069bf..170f96be936 100644 --- a/src/gallium/drivers/r600/r600_state.c +++ b/src/gallium/drivers/r600/r600_state.c @@ -1222,6 +1222,102 @@ void r600_init_config(struct r600_pipe_context *rctx) r600_context_pipe_state_set(&rctx->ctx, rstate); } +void r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader *shader) +{ + struct r600_pipe_state *rstate = &shader->rstate; + struct r600_shader *rshader = &shader->shader; + unsigned i, exports_ps, num_cout, spi_ps_in_control_0, spi_input_z, spi_ps_in_control_1, db_shader_control; + int pos_index = -1, face_index = -1; + + rstate->nregs = 0; + + for (i = 0; i < rshader->ninput; i++) { + if (rshader->input[i].name == TGSI_SEMANTIC_POSITION) + pos_index = i; + if (rshader->input[i].name == TGSI_SEMANTIC_FACE) + face_index = i; + } + + db_shader_control = 0; + for (i = 0; i < rshader->noutput; i++) { + if (rshader->output[i].name == TGSI_SEMANTIC_POSITION) + db_shader_control |= S_02880C_Z_EXPORT_ENABLE(1); + if (rshader->output[i].name == TGSI_SEMANTIC_STENCIL) + db_shader_control |= S_02880C_STENCIL_REF_EXPORT_ENABLE(1); + } + if (rshader->uses_kill) + db_shader_control |= S_02880C_KILL_ENABLE(1); + + exports_ps = 0; + num_cout = 0; + for (i = 0; i < rshader->noutput; i++) { + if (rshader->output[i].name == TGSI_SEMANTIC_POSITION || + rshader->output[i].name == TGSI_SEMANTIC_STENCIL) + exports_ps |= 1; + else if (rshader->output[i].name == TGSI_SEMANTIC_COLOR) { + num_cout++; + } + } + exports_ps |= S_028854_EXPORT_COLORS(num_cout); + if (!exports_ps) { + /* always at least export 1 component per pixel */ + exports_ps = 2; + } + + spi_ps_in_control_0 = S_0286CC_NUM_INTERP(rshader->ninput) | + S_0286CC_PERSP_GRADIENT_ENA(1); + spi_input_z = 0; + if (pos_index != -1) { + spi_ps_in_control_0 |= (S_0286CC_POSITION_ENA(1) | + S_0286CC_POSITION_CENTROID(rshader->input[pos_index].centroid) | + S_0286CC_POSITION_ADDR(rshader->input[pos_index].gpr) | + S_0286CC_BARYC_SAMPLE_CNTL(1)); + spi_input_z |= 1; + } + + spi_ps_in_control_1 = 0; + if (face_index != -1) { + spi_ps_in_control_1 |= S_0286D0_FRONT_FACE_ENA(1) | + S_0286D0_FRONT_FACE_ADDR(rshader->input[face_index].gpr); + } + + r600_pipe_state_add_reg(rstate, R_0286CC_SPI_PS_IN_CONTROL_0, spi_ps_in_control_0, 0xFFFFFFFF, NULL); + r600_pipe_state_add_reg(rstate, R_0286D0_SPI_PS_IN_CONTROL_1, spi_ps_in_control_1, 0xFFFFFFFF, NULL); + r600_pipe_state_add_reg(rstate, R_0286D8_SPI_INPUT_Z, spi_input_z, 0xFFFFFFFF, NULL); + r600_pipe_state_add_reg(rstate, + R_028840_SQ_PGM_START_PS, + r600_bo_offset(shader->bo) >> 8, 0xFFFFFFFF, shader->bo); + r600_pipe_state_add_reg(rstate, + R_028850_SQ_PGM_RESOURCES_PS, + S_028868_NUM_GPRS(rshader->bc.ngpr) | + S_028868_STACK_SIZE(rshader->bc.nstack), + 0xFFFFFFFF, NULL); + r600_pipe_state_add_reg(rstate, + R_028854_SQ_PGM_EXPORTS_PS, + exports_ps, 0xFFFFFFFF, NULL); + r600_pipe_state_add_reg(rstate, + R_0288CC_SQ_PGM_CF_OFFSET_PS, + 0x00000000, 0xFFFFFFFF, NULL); + + if (rshader->fs_write_all) { + r600_pipe_state_add_reg(rstate, R_028808_CB_COLOR_CONTROL, + S_028808_MULTIWRITE_ENABLE(1), + S_028808_MULTIWRITE_ENABLE(1), + NULL); + } + /* only set some bits here, the other bits are set in the dsa state */ + r600_pipe_state_add_reg(rstate, R_02880C_DB_SHADER_CONTROL, + db_shader_control, + S_02880C_Z_EXPORT_ENABLE(1) | + S_02880C_STENCIL_REF_EXPORT_ENABLE(1) | + S_02880C_KILL_ENABLE(1), + NULL); + + r600_pipe_state_add_reg(rstate, + R_03E200_SQ_LOOP_CONST_0, 0x01000FFF, + 0xFFFFFFFF, NULL); +} + void r600_pipe_shader_vs(struct pipe_context *ctx, struct r600_pipe_shader *shader) { struct r600_pipe_state *rstate = &shader->rstate; |