From: Marek Olšák <[email protected]>
---
src/gallium/drivers/radeonsi/si_shader.c | 41 ++++++++++++++++++++++++++++++++
src/gallium/drivers/radeonsi/si_shader.h | 2 ++
2 files changed, 43 insertions(+)
diff --git a/src/gallium/drivers/radeonsi/si_shader.c
b/src/gallium/drivers/radeonsi/si_shader.c
index ef4f376..ebd7379 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -4537,6 +4537,47 @@ int si_shader_create(struct si_screen *sscreen,
LLVMTargetMachineRef tm,
radeon_llvm_dispose(&ctx.radeon_bld);
+ /* Calculate the number of fragment input VGPRs. */
+ if (ctx.type == TGSI_PROCESSOR_FRAGMENT) {
+ shader->num_input_vgprs = 0;
+ shader->face_vgpr_index = -1;
+
+ if (G_0286CC_PERSP_SAMPLE_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 2;
+ if (G_0286CC_PERSP_CENTER_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 2;
+ if
(G_0286CC_PERSP_CENTROID_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 2;
+ if
(G_0286CC_PERSP_PULL_MODEL_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 3;
+ if
(G_0286CC_LINEAR_SAMPLE_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 2;
+ if
(G_0286CC_LINEAR_CENTER_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 2;
+ if
(G_0286CC_LINEAR_CENTROID_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 2;
+ if
(G_0286CC_LINE_STIPPLE_TEX_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 1;
+ if (G_0286CC_POS_X_FLOAT_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 1;
+ if (G_0286CC_POS_Y_FLOAT_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 1;
+ if (G_0286CC_POS_Z_FLOAT_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 1;
+ if (G_0286CC_POS_W_FLOAT_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 1;
+ if (G_0286CC_FRONT_FACE_ENA(shader->config.spi_ps_input_addr)) {
+ shader->face_vgpr_index = shader->num_input_vgprs;
+ shader->num_input_vgprs += 1;
+ }
+ if (G_0286CC_ANCILLARY_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 1;
+ if
(G_0286CC_SAMPLE_COVERAGE_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 1;
+ if (G_0286CC_POS_FIXED_PT_ENA(shader->config.spi_ps_input_addr))
+ shader->num_input_vgprs += 1;
+ }
+
if (ctx.type == TGSI_PROCESSOR_GEOMETRY) {
shader->gs_copy_shader = CALLOC_STRUCT(si_shader);
shader->gs_copy_shader->selector = shader->selector;
diff --git a/src/gallium/drivers/radeonsi/si_shader.h
b/src/gallium/drivers/radeonsi/si_shader.h
index 131455b..3be24f3 100644
--- a/src/gallium/drivers/radeonsi/si_shader.h
+++ b/src/gallium/drivers/radeonsi/si_shader.h
@@ -281,6 +281,8 @@ struct si_shader {
ubyte num_input_sgprs;
ubyte num_input_vgprs;
+ char face_vgpr_index;
+
unsigned vs_output_param_offset[PIPE_MAX_SHADER_OUTPUTS];
bool uses_instanceid;
unsigned nr_pos_exports;
--
2.5.0
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