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authorTimothy Arceri <[email protected]>2018-02-02 13:06:02 +1100
committerTimothy Arceri <[email protected]>2018-02-07 08:43:08 +1100
commitf6932d1ef384784b4c3e269df821672dde545160 (patch)
treee3e2bd55fda0bf442e24614d79677ce95f0db320 /src/gallium/drivers/radeonsi
parente3ebffdbb08858de33523e193e815954f4c9c0b1 (diff)
radeonsi: add get_block_size() helper
This will be reused by the nir backend in a later patch. Reviewed-by: Marek Olšák <[email protected]>
Diffstat (limited to 'src/gallium/drivers/radeonsi')
-rw-r--r--src/gallium/drivers/radeonsi/si_shader.c47
1 files changed, 27 insertions, 20 deletions
diff --git a/src/gallium/drivers/radeonsi/si_shader.c b/src/gallium/drivers/radeonsi/si_shader.c
index c518e35ab1a..808d55b8ce3 100644
--- a/src/gallium/drivers/radeonsi/si_shader.c
+++ b/src/gallium/drivers/radeonsi/si_shader.c
@@ -1874,6 +1874,32 @@ static LLVMValueRef get_sample_id(struct si_shader_context *ctx)
return unpack_param(ctx, SI_PARAM_ANCILLARY, 8, 4);
}
+static LLVMValueRef get_block_size(struct ac_shader_abi *abi)
+{
+ struct si_shader_context *ctx = si_shader_context_from_abi(abi);
+
+ LLVMValueRef values[3];
+ LLVMValueRef result;
+ unsigned i;
+ unsigned *properties = ctx->shader->selector->info.properties;
+
+ if (properties[TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH] != 0) {
+ unsigned sizes[3] = {
+ properties[TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH],
+ properties[TGSI_PROPERTY_CS_FIXED_BLOCK_HEIGHT],
+ properties[TGSI_PROPERTY_CS_FIXED_BLOCK_DEPTH]
+ };
+
+ for (i = 0; i < 3; ++i)
+ values[i] = LLVMConstInt(ctx->i32, sizes[i], 0);
+
+ result = lp_build_gather_values(&ctx->gallivm, values, 3);
+ } else {
+ result = LLVMGetParam(ctx->main_fn, ctx->param_block_size);
+ }
+
+ return result;
+}
/**
* Load a dword from a constant buffer.
@@ -2124,27 +2150,8 @@ void si_load_system_value(struct si_shader_context *ctx,
break;
case TGSI_SEMANTIC_BLOCK_SIZE:
- {
- LLVMValueRef values[3];
- unsigned i;
- unsigned *properties = ctx->shader->selector->info.properties;
-
- if (properties[TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH] != 0) {
- unsigned sizes[3] = {
- properties[TGSI_PROPERTY_CS_FIXED_BLOCK_WIDTH],
- properties[TGSI_PROPERTY_CS_FIXED_BLOCK_HEIGHT],
- properties[TGSI_PROPERTY_CS_FIXED_BLOCK_DEPTH]
- };
-
- for (i = 0; i < 3; ++i)
- values[i] = LLVMConstInt(ctx->i32, sizes[i], 0);
-
- value = lp_build_gather_values(&ctx->gallivm, values, 3);
- } else {
- value = LLVMGetParam(ctx->main_fn, ctx->param_block_size);
- }
+ value = get_block_size(&ctx->abi);
break;
- }
case TGSI_SEMANTIC_BLOCK_ID:
{