Support Component decoration in GLSL.

This commit is contained in:
Hans-Kristian Arntzen 2018-09-10 12:13:26 +02:00
parent 7a32167d63
commit 63f6466065
7 changed files with 226 additions and 0 deletions

View File

@ -0,0 +1,23 @@
#version 450
layout(location = 1) in vec2 _2;
layout(location = 1, component = 2) in float _3;
layout(location = 2) flat in float _4;
layout(location = 2, component = 1) flat in uint _5;
layout(location = 2, component = 2) flat in uint _6;
layout(location = 0) out vec4 o0;
vec4 v1;
vec4 v2;
void main()
{
v1 = vec4(_2.x, _2.y, v1.z, v1.w);
v1.z = _3;
v2.x = _4;
v2.y = uintBitsToFloat(_5);
v2.z = uintBitsToFloat(_6);
o0.y = float(floatBitsToUint(intBitsToFloat(floatBitsToInt(v2.y) + floatBitsToInt(v2.z))));
o0.x = v1.y + v2.x;
o0 = vec4(o0.x, o0.y, v1.z, v1.x);
}

View File

@ -0,0 +1,16 @@
#version 450
layout(location = 0) out vec2 FragColor;
layout(location = 0, component = 0) in vec2 v0;
layout(location = 0, component = 2) in float v1;
in Vertex
{
layout(location = 1, component = 2) float v3;
} _20;
void main()
{
FragColor = (v0 + vec2(v1)) + vec2(_20.v3);
}

View File

@ -0,0 +1,25 @@
#version 450
layout(location = 1) in vec2 _2;
layout(location = 1, component = 2) in float _3;
layout(location = 2) flat in float _4;
layout(location = 2, component = 1) flat in uint _5;
layout(location = 2, component = 2) flat in uint _6;
layout(location = 0) out vec4 o0;
vec4 v1;
vec4 v2;
void main()
{
v1 = vec4(_2.x, _2.y, v1.z, v1.w);
v1.z = _3;
v2.x = _4;
v2.y = uintBitsToFloat(_5);
v2.z = uintBitsToFloat(_6);
vec4 r0;
r0.x = intBitsToFloat(floatBitsToInt(v2.y) + floatBitsToInt(v2.z));
o0.y = float(floatBitsToUint(r0.x));
o0.x = v1.y + v2.x;
o0 = vec4(o0.x, o0.y, v1.z, v1.x);
}

View File

@ -0,0 +1,16 @@
#version 450
layout(location = 0) out vec2 FragColor;
layout(location = 0, component = 0) in vec2 v0;
layout(location = 0, component = 2) in float v1;
in Vertex
{
layout(location = 1, component = 2) float v3;
} _20;
void main()
{
FragColor = (v0 + vec2(v1)) + vec2(_20.v3);
}

View File

@ -0,0 +1,102 @@
; SPIR-V
; Version: 1.0
; Generator: Wine VKD3D Shader Compiler; 0
; Bound: 67
; Schema: 0
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %8 %16 %22 %28 %33 %o0
OpName %main "main"
OpName %v1 "v1"
OpName %v2 "v2"
OpName %o0 "o0"
OpName %r0 "r0"
OpDecorate %8 Location 1
OpDecorate %16 Location 1
OpDecorate %16 Component 2
OpDecorate %22 Location 2
OpDecorate %22 Flat
OpDecorate %28 Location 2
OpDecorate %28 Component 1
OpDecorate %28 Flat
OpDecorate %33 Location 2
OpDecorate %33 Component 2
OpDecorate %33 Flat
OpDecorate %o0 Location 0
%void = OpTypeVoid
%2 = OpTypeFunction %void
%float = OpTypeFloat 32
%v2float = OpTypeVector %float 2
%_ptr_Input_v2float = OpTypePointer Input %v2float
%8 = OpVariable %_ptr_Input_v2float Input
%v4float = OpTypeVector %float 4
%_ptr_Private_v4float = OpTypePointer Private %v4float
%v1 = OpVariable %_ptr_Private_v4float Private
%_ptr_Input_float = OpTypePointer Input %float
%16 = OpVariable %_ptr_Input_float Input
%_ptr_Private_float = OpTypePointer Private %float
%uint = OpTypeInt 32 0
%uint_2 = OpConstant %uint 2
%22 = OpVariable %_ptr_Input_float Input
%v2 = OpVariable %_ptr_Private_v4float Private
%uint_0 = OpConstant %uint 0
%_ptr_Input_uint = OpTypePointer Input %uint
%28 = OpVariable %_ptr_Input_uint Input
%uint_1 = OpConstant %uint 1
%33 = OpVariable %_ptr_Input_uint Input
%_ptr_Output_v4float = OpTypePointer Output %v4float
%o0 = OpVariable %_ptr_Output_v4float Output
%_ptr_Function_v4float = OpTypePointer Function %v4float
%int = OpTypeInt 32 1
%_ptr_Function_float = OpTypePointer Function %float
%_ptr_Output_float = OpTypePointer Output %float
%main = OpFunction %void None %2
%4 = OpLabel
%r0 = OpVariable %_ptr_Function_v4float Function
%12 = OpLoad %v2float %8
%13 = OpLoad %v4float %v1
%14 = OpVectorShuffle %v4float %13 %12 4 5 2 3
OpStore %v1 %14
%17 = OpLoad %float %16
%21 = OpInBoundsAccessChain %_ptr_Private_float %v1 %uint_2
OpStore %21 %17
%24 = OpLoad %float %22
%26 = OpInBoundsAccessChain %_ptr_Private_float %v2 %uint_0
OpStore %26 %24
%29 = OpLoad %uint %28
%30 = OpBitcast %float %29
%32 = OpInBoundsAccessChain %_ptr_Private_float %v2 %uint_1
OpStore %32 %30
%34 = OpLoad %uint %33
%35 = OpBitcast %float %34
%36 = OpInBoundsAccessChain %_ptr_Private_float %v2 %uint_2
OpStore %36 %35
%42 = OpInBoundsAccessChain %_ptr_Private_float %v2 %uint_1
%43 = OpLoad %float %42
%44 = OpBitcast %int %43
%45 = OpInBoundsAccessChain %_ptr_Private_float %v2 %uint_2
%46 = OpLoad %float %45
%47 = OpBitcast %int %46
%48 = OpIAdd %int %44 %47
%49 = OpBitcast %float %48
%51 = OpInBoundsAccessChain %_ptr_Function_float %r0 %uint_0
OpStore %51 %49
%52 = OpInBoundsAccessChain %_ptr_Function_float %r0 %uint_0
%53 = OpLoad %float %52
%54 = OpBitcast %uint %53
%55 = OpConvertUToF %float %54
%57 = OpInBoundsAccessChain %_ptr_Output_float %o0 %uint_1
OpStore %57 %55
%58 = OpInBoundsAccessChain %_ptr_Private_float %v1 %uint_1
%59 = OpLoad %float %58
%60 = OpInBoundsAccessChain %_ptr_Private_float %v2 %uint_0
%61 = OpLoad %float %60
%62 = OpFAdd %float %59 %61
%63 = OpInBoundsAccessChain %_ptr_Output_float %o0 %uint_0
OpStore %63 %62
%64 = OpLoad %v4float %v1
%65 = OpLoad %v4float %o0
%66 = OpVectorShuffle %v4float %65 %64 0 1 6 4
OpStore %o0 %66
OpReturn
OpFunctionEnd

View File

@ -0,0 +1,14 @@
#version 450
layout(location = 0, component = 0) in vec2 v0;
layout(location = 0, component = 2) in float v1;
layout(location = 0) out vec2 FragColor;
in Vertex
{
layout(location = 1, component = 2) in float v3;
};
void main()
{
FragColor = v0 + v1 + v3;
}

View File

@ -775,6 +775,21 @@ string CompilerGLSL::layout_for_member(const SPIRType &type, uint32_t index)
if (dec.decoration_flags.get(DecorationLocation) && can_use_io_location(type.storage, true))
attr.push_back(join("location = ", dec.location));
// Can only declare component if we can declare location.
if (dec.decoration_flags.get(DecorationComponent) && can_use_io_location(type.storage, true))
{
if (!options.es)
{
if (options.version < 440 && options.version >= 140)
require_extension_internal("GL_ARB_enhanced_layouts");
else if (options.version < 140)
SPIRV_CROSS_THROW("Component decoration is not supported in targets below GLSL 1.40.");
attr.push_back(join("component = ", dec.component));
}
else
SPIRV_CROSS_THROW("Component decoration is not supported in ES targets.");
}
// DecorationCPacked is set by layout_for_variable earlier to mark that we need to emit offset qualifiers.
// This is only done selectively in GLSL as needed.
if (has_decoration(type.self, DecorationCPacked) && dec.decoration_flags.get(DecorationOffset))
@ -1238,6 +1253,21 @@ string CompilerGLSL::layout_for_variable(const SPIRVariable &var)
attr.push_back(join("location = ", dec.location));
}
// Can only declare Component if we can declare location.
if (flags.get(DecorationComponent) && can_use_io_location(var.storage, is_block))
{
if (!options.es)
{
if (options.version < 440 && options.version >= 140)
require_extension_internal("GL_ARB_enhanced_layouts");
else if (options.version < 140)
SPIRV_CROSS_THROW("Component decoration is not supported in targets below GLSL 1.40.");
attr.push_back(join("component = ", dec.component));
}
else
SPIRV_CROSS_THROW("Component decoration is not supported in ES targets.");
}
if (flags.get(DecorationIndex))
attr.push_back(join("index = ", dec.index));