OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

radv: Implement VK_EXT_vertex_attribute_divisor.

Browse Source 
Pretty straight forward, just pass the divisors through the shader
key and then do a LLVM divide.

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Bas Nieuwenhuizen
2018-04-08 10:15:21 +02:00
parent 7eff8d7d35
commit 6ff98dbf7c
6 changed files with 50 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
src/amd/vulkan/radv_nir_to_llvm.c
View File

@@ -1794,14 +1794,26 @@ handle_vs_input_decl(struct radv_shader_context *ctx,
for (unsigned i = 0; i < attrib_count; ++i, ++idx) {
if (ctx->options->key.vs.instance_rate_inputs & (1u << (index + i))) {
buffer_index = LLVMBuildAdd(ctx->ac.builder, ctx->abi.instance_id,
ctx->abi.start_instance, "");
if (ctx->options->key.vs.as_ls) {
ctx->shader_info->vs.vgpr_comp_cnt =
MAX2(2, ctx->shader_info->vs.vgpr_comp_cnt);
uint32_t divisor = ctx->options->key.vs.instance_rate_divisors[index + i];
if (divisor) {
buffer_index = LLVMBuildAdd(ctx->ac.builder, ctx->abi.instance_id,
ctx->abi.start_instance, "");
if (divisor != 1) {
buffer_index = LLVMBuildUDiv(ctx->ac.builder, buffer_index,
LLVMConstInt(ctx->ac.i32, divisor, 0), "");
}
if (ctx->options->key.vs.as_ls) {
ctx->shader_info->vs.vgpr_comp_cnt =
MAX2(2, ctx->shader_info->vs.vgpr_comp_cnt);
} else {
ctx->shader_info->vs.vgpr_comp_cnt =
MAX2(1, ctx->shader_info->vs.vgpr_comp_cnt);
}
} else {
ctx->shader_info->vs.vgpr_comp_cnt =
MAX2(1, ctx->shader_info->vs.vgpr_comp_cnt);
buffer_index = ctx->ac.i32_0;
}
} else
buffer_index = LLVMBuildAdd(ctx->ac.builder, ctx->abi.vertex_id,