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shader: type pixel outputs of UINT and SINT render targets as integer vectors

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Co-authored-by: Ali Almohaya <AliAlmohaya@gmail.com>
Co-authored-by: Mac <me@itsmemac.com>
Co-authored-by: Senaxx <michelbeld@gmail.com>
This commit is contained in:
nmzikAli AlmohayaMacSenaxx
 committed 2026-10-26 05:32:02 +01:00
1 parent 4ebae87a1b
commit 26ca609236
9 files changed
+103 -23
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tests/shaderCfgTests.cpp
+23
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@@ -13748,6 +13748,7 @@ void TestNewShaderRecompilerExpPixelOutputs() {
ShaderPixelInputInfo uint16_info;
uint16_info.target_output_mode[0] = 7;
uint16_info.target_uint_mask = 1;
options.input_info.pixel = &uint16_info;
auto uint16_result = RecompileForTest(shader, options);
const auto uint16_source = DisassembleSpirvBinary(uint16_result.spirv);
@@ -13762,6 +13763,18 @@ void TestNewShaderRecompilerExpPixelOutputs() {
"compressed UINT16 MRT export was incorrectly decoded as FP16");
CheckSpirvBinaryValidates(uint16_result.spirv);
ShaderPixelInputInfo sint16_info;
sint16_info.target_output_mode[0] = 8;
sint16_info.target_sint_mask = 1;
options.input_info.pixel = &sint16_info;
auto sint16_result = RecompileForTest(shader, options);
const auto sint16_source = DisassembleSpirvBinary(sint16_result.spirv);
Check(sint16_source.find("OpVariable %_ptr_Output_v4int Output") != std::string::npos &&
CountSourceOccurrences(sint16_source, "OpBitFieldSExtract") == 4u &&
!SpirvContainsExtInst(sint16_result.spirv, 62),
"compressed SINT16 MRT export did not sign-extend into a signed output");
CheckSpirvBinaryValidates(sint16_result.spirv);
ShaderPixelInputInfo unorm16_info;
unorm16_info.target_output_mode[0] = 5;
options.input_info.pixel = &unorm16_info;
@@ -13789,6 +13802,7 @@ void TestNewShaderRecompilerExpPixelOutputs() {
ShaderPixelInputInfo uint_info;
uint_info.target_output_mode[0] = 7;
uint_info.target_uint_mask = 1;
options.input_info.pixel = &uint_info;
auto partial_uint_result =
RecompileForTest(partial_shader, options);
@@ -13815,6 +13829,15 @@ void TestNewShaderRecompilerExpPixelOutputs() {
"compressed UINT16 BA-only export did not read and unpack VSRC1");
CheckSpirvBinaryValidates(compressed_ba_result.spirv);
// 32-bit exports keep their raw bits in a UINT target's integer output.
uint_info.target_output_mode[0] = 9;
auto raw_uint_result = RecompileForTest(partial_shader, options);
const auto raw_uint_source = DisassembleSpirvBinary(raw_uint_result.spirv);
Check(raw_uint_source.find("OpVariable %_ptr_Output_v4uint Output") != std::string::npos &&
raw_uint_source.find("OpBitcast %v4float") == std::string::npos,
"32-bit MRT export to a UINT target did not use an unsigned integer output");
CheckSpirvBinaryValidates(raw_uint_result.spirv);
unorm16_info.target_output_mode[0] = 5;
options.input_info.pixel = &unorm16_info;
auto unorm16_ba_result =