diff options
Diffstat (limited to 'src/gallium/drivers/r600/evergreen_state.c')
| -rw-r--r-- | src/gallium/drivers/r600/evergreen_state.c | 74 |
1 files changed, 58 insertions, 16 deletions
diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c index 542df11db66..935496c04af 100644 --- a/src/gallium/drivers/r600/evergreen_state.c +++ b/src/gallium/drivers/r600/evergreen_state.c @@ -1529,23 +1529,39 @@ void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader struct r600_pipe_context *rctx = (struct r600_pipe_context *)ctx; struct r600_pipe_state *rstate = &shader->rstate; struct r600_shader *rshader = &shader->shader; - unsigned i, tmp, exports_ps, num_cout, spi_ps_in_control_0, spi_input_z; - boolean have_pos = FALSE, have_face = FALSE; + unsigned i, tmp, exports_ps, num_cout, spi_ps_in_control_0, spi_input_z, spi_ps_in_control_1; + int pos_index = -1, face_index = -1; + int ninterp = 0; + boolean have_linear = FALSE, have_centroid = FALSE, have_perspective = FALSE; + unsigned spi_baryc_cntl; /* clear previous register */ rstate->nregs = 0; for (i = 0; i < rshader->ninput; i++) { tmp = S_028644_SEMANTIC(r600_find_vs_semantic_index(&rctx->vs_shader->shader, rshader, i)); + /* evergreen NUM_INTERP only contains values interpolated into the LDS, + POSITION goes via GPRs from the SC so isn't counted */ if (rshader->input[i].name == TGSI_SEMANTIC_POSITION) - have_pos = TRUE; + pos_index = i; + else if (rshader->input[i].name == TGSI_SEMANTIC_FACE) + face_index = i; + else { + if (rshader->input[i].interpolate == TGSI_INTERPOLATE_LINEAR || + rshader->input[i].interpolate == TGSI_INTERPOLATE_PERSPECTIVE) + ninterp++; + if (rshader->input[i].interpolate == TGSI_INTERPOLATE_LINEAR) + have_linear = TRUE; + if (rshader->input[i].interpolate == TGSI_INTERPOLATE_PERSPECTIVE) + have_perspective = TRUE; + if (rshader->input[i].centroid) + have_centroid = TRUE; + } if (rshader->input[i].name == TGSI_SEMANTIC_COLOR || rshader->input[i].name == TGSI_SEMANTIC_BCOLOR || rshader->input[i].name == TGSI_SEMANTIC_POSITION) { tmp |= S_028644_FLAT_SHADE(rshader->flat_shade); } - if (rshader->input[i].name == TGSI_SEMANTIC_FACE) - have_face = TRUE; if (rshader->input[i].name == TGSI_SEMANTIC_GENERIC && rctx->sprite_coord_enable & (1 << rshader->input[i].sid)) { tmp |= S_028644_PT_SPRITE_TEX(1); @@ -1568,7 +1584,8 @@ void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader 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) + 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++; @@ -1580,19 +1597,49 @@ void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader exports_ps = 2; } - spi_ps_in_control_0 = S_0286CC_NUM_INTERP(rshader->ninput) | - S_0286CC_PERSP_GRADIENT_ENA(1); + if (ninterp == 0) { + ninterp = 1; + have_perspective = TRUE; + } + + spi_ps_in_control_0 = S_0286CC_NUM_INTERP(ninterp) | + S_0286CC_PERSP_GRADIENT_ENA(have_perspective) | + S_0286CC_LINEAR_GRADIENT_ENA(have_linear); spi_input_z = 0; - if (have_pos) { - spi_ps_in_control_0 |= S_0286CC_POSITION_ENA(1); + 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); 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); + } + + spi_baryc_cntl = 0; + if (have_perspective) + spi_baryc_cntl |= S_0286E0_PERSP_CENTER_ENA(1) | + S_0286E0_PERSP_CENTROID_ENA(have_centroid); + if (have_linear) + spi_baryc_cntl |= S_0286E0_LINEAR_CENTER_ENA(1) | + S_0286E0_LINEAR_CENTROID_ENA(have_centroid); + 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, - S_0286D0_FRONT_FACE_ENA(have_face), 0xFFFFFFFF, NULL); + spi_ps_in_control_1, 0xFFFFFFFF, NULL); + r600_pipe_state_add_reg(rstate, R_0286E4_SPI_PS_IN_CONTROL_2, + 0, 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_0286E0_SPI_BARYC_CNTL, + spi_baryc_cntl, + 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, @@ -1607,11 +1654,6 @@ void evergreen_pipe_shader_ps(struct pipe_context *ctx, struct r600_pipe_shader r600_pipe_state_add_reg(rstate, R_02884C_SQ_PGM_EXPORTS_PS, exports_ps, 0xFFFFFFFF, NULL); - r600_pipe_state_add_reg(rstate, - R_0286E0_SPI_BARYC_CNTL, - S_0286E0_PERSP_CENTROID_ENA(1) | - S_0286E0_LINEAR_CENTROID_ENA(1), - 0xFFFFFFFF, NULL); if (rshader->uses_kill) { /* only set some bits here, the other bits are set in the dsa state */ |