diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_shader.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_shader.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index b760ee70ea..5675e39542 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -166,6 +166,7 @@ static int r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_context_sta struct r600_context *rctx = r600_context(ctx); struct radeon_state *state; unsigned i, tmp, exports_ps, num_cout; + boolean have_pos = FALSE; rasterizer = &rctx->rasterizer->state.rasterizer; rpshader->rstate = radeon_state_decref(rpshader->rstate); @@ -175,6 +176,8 @@ static int r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_context_sta for (i = 0; i < rshader->ninput; i++) { tmp = S_028644_SEMANTIC(i); tmp |= S_028644_SEL_CENTROID(1); + if (rshader->input[i].name == TGSI_SEMANTIC_POSITION) + have_pos = TRUE; if (rshader->input[i].name == TGSI_SEMANTIC_COLOR || rshader->input[i].name == TGSI_SEMANTIC_BCOLOR) { tmp |= S_028644_FLAT_SHADE(rshader->flat_shade); @@ -201,6 +204,10 @@ static int r600_pipe_shader_ps(struct pipe_context *ctx, struct r600_context_sta } state->states[R600_PS_SHADER__SPI_PS_IN_CONTROL_0] = S_0286CC_NUM_INTERP(rshader->ninput) | S_0286CC_PERSP_GRADIENT_ENA(1); + if (have_pos) { + state->states[R600_PS_SHADER__SPI_PS_IN_CONTROL_0] |= S_0286CC_POSITION_ENA(1); + S_0286CC_BARYC_SAMPLE_CNTL(1); + } state->states[R600_PS_SHADER__SPI_PS_IN_CONTROL_1] = 0x00000000; state->states[R600_PS_SHADER__SQ_PGM_RESOURCES_PS] = S_028868_NUM_GPRS(rshader->bc.ngpr) | S_028868_STACK_SIZE(rshader->bc.nstack); |