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path: root/src/gallium/drivers/r600/evergreen_state.c
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Diffstat (limited to 'src/gallium/drivers/r600/evergreen_state.c')
-rw-r--r--src/gallium/drivers/r600/evergreen_state.c74
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 542df11db6..935496c04a 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 */