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-rw-r--r--src/freedreno/vulkan/tu_cmd_buffer.c28
-rw-r--r--src/freedreno/vulkan/tu_pipeline.c25
-rw-r--r--src/freedreno/vulkan/tu_private.h3
3 files changed, 13 insertions, 43 deletions
diff --git a/src/freedreno/vulkan/tu_cmd_buffer.c b/src/freedreno/vulkan/tu_cmd_buffer.c
index 4effbba572a..62751ba4ccb 100644
--- a/src/freedreno/vulkan/tu_cmd_buffer.c
+++ b/src/freedreno/vulkan/tu_cmd_buffer.c
@@ -2808,21 +2808,17 @@ get_tess_param_bo_size(const struct tu_pipeline *pipeline,
{
/* TODO: For indirect draws, we can't compute the BO size ahead of time.
* Still not sure what to do here, so just allocate a reasonably large
- * BO and hope for the best for now.
- * (maxTessellationControlPerVertexOutputComponents * 2048 vertices +
- * maxTessellationControlPerPatchOutputComponents * 512 patches) */
- if (!draw_count) {
- return ((128 * 2048) + (128 * 512)) * 4;
- }
+ * BO and hope for the best for now. */
+ if (!draw_count)
+ draw_count = 2048;
- /* For each patch, adreno lays out the tess param BO in memory as:
- * (v_input[0][0])...(v_input[i][j])(p_input[0])...(p_input[k]).
- * where i = # vertices per patch, j = # per-vertex outputs, and
- * k = # per-patch outputs.*/
+ /* the tess param BO is pipeline->tess.param_stride bytes per patch,
+ * which includes both the per-vertex outputs and per-patch outputs
+ * build_primitive_map in ir3 calculates this stride
+ */
uint32_t verts_per_patch = pipeline->ia.primtype - DI_PT_PATCHES0;
uint32_t num_patches = draw_count / verts_per_patch;
- return draw_count * pipeline->tess.per_vertex_output_size +
- pipeline->tess.per_patch_output_size * num_patches;
+ return num_patches * pipeline->tess.param_stride;
}
static uint64_t
@@ -2831,11 +2827,9 @@ get_tess_factor_bo_size(const struct tu_pipeline *pipeline,
{
/* TODO: For indirect draws, we can't compute the BO size ahead of time.
* Still not sure what to do here, so just allocate a reasonably large
- * BO and hope for the best for now.
- * (quad factor stride * 512 patches) */
- if (!draw_count) {
- return (28 * 512) * 4;
- }
+ * BO and hope for the best for now. */
+ if (!draw_count)
+ draw_count = 2048;
/* Each distinct patch gets its own tess factor output. */
uint32_t verts_per_patch = pipeline->ia.primtype - DI_PT_PATCHES0;
diff --git a/src/freedreno/vulkan/tu_pipeline.c b/src/freedreno/vulkan/tu_pipeline.c
index e43fc34f32b..965aa34209f 100644
--- a/src/freedreno/vulkan/tu_pipeline.c
+++ b/src/freedreno/vulkan/tu_pipeline.c
@@ -2028,30 +2028,6 @@ tu_pipeline_builder_compile_shaders(struct tu_pipeline_builder *builder,
builder->binning_variant = variant;
- if (builder->shaders[MESA_SHADER_TESS_CTRL]) {
- struct ir3_shader *hs =
- builder->shaders[MESA_SHADER_TESS_CTRL]->ir3_shader;
- assert(hs->type != MESA_SHADER_NONE);
-
- /* Calculate and store the per-vertex and per-patch HS-output sizes. */
- uint32_t per_vertex_output_size = 0;
- uint32_t per_patch_output_size = 0;
- nir_foreach_variable (output, &hs->nir->outputs) {
- switch (output->data.location) {
- case VARYING_SLOT_TESS_LEVEL_OUTER:
- case VARYING_SLOT_TESS_LEVEL_INNER:
- continue;
- }
- uint32_t size = glsl_count_attribute_slots(output->type, false) * 4;
- if (output->data.patch)
- per_patch_output_size += size;
- else
- per_vertex_output_size += size;
- }
- pipeline->tess.per_vertex_output_size = per_vertex_output_size;
- pipeline->tess.per_patch_output_size = per_patch_output_size;
- }
-
return VK_SUCCESS;
}
@@ -2200,6 +2176,7 @@ tu_pipeline_builder_parse_tessellation(struct tu_pipeline_builder *builder,
domain_info->domainOrigin == VK_TESSELLATION_DOMAIN_ORIGIN_UPPER_LEFT;
const struct ir3_shader_variant *hs = builder->variants[MESA_SHADER_TESS_CTRL];
const struct ir3_shader_variant *ds = builder->variants[MESA_SHADER_TESS_EVAL];
+ pipeline->tess.param_stride = hs->output_size * 4;
pipeline->tess.hs_bo_regid = hs->const_state->offsets.primitive_param + 1;
pipeline->tess.ds_bo_regid = ds->const_state->offsets.primitive_param + 1;
}
diff --git a/src/freedreno/vulkan/tu_private.h b/src/freedreno/vulkan/tu_private.h
index 3287edf8a22..c91c86c3949 100644
--- a/src/freedreno/vulkan/tu_private.h
+++ b/src/freedreno/vulkan/tu_private.h
@@ -1076,8 +1076,7 @@ struct tu_pipeline
struct
{
uint32_t patch_type;
- uint32_t per_vertex_output_size;
- uint32_t per_patch_output_size;
+ uint32_t param_stride;
uint32_t hs_bo_regid;
uint32_t ds_bo_regid;
bool upper_left_domain_origin;