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VideoCommon: Add APIType entry for Vulkan

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This commit is contained in:
Stenzek
2016-08-13 00:55:00 +10:00
parent 75e4e42e56
commit a71381e80a
5 changed files with 87 additions and 29 deletions
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19
Source/Core/VideoCommon/VertexShaderGen.cpp
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@ -85,10 +85,11 @@ ShaderCode GenerateVertexShaderCode(APIType api_type, const vertex_shader_uid_da
out.Write("%s", s_lighting_struct);
// uniforms
if (api_type == APIType::OpenGL)
if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
out.Write("UBO_BINDING(std140, 2) uniform VSBlock {\n");
else
out.Write("cbuffer VSBlock {\n");
out.Write(s_shader_uniforms);
out.Write("};\n");
@ -96,7 +97,7 @@ ShaderCode GenerateVertexShaderCode(APIType api_type, const vertex_shader_uid_da
GenerateVSOutputMembers(out, api_type, uid_data->numTexGens, uid_data->pixel_lighting, "");
out.Write("};\n");
if (api_type == APIType::OpenGL)
if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
{
out.Write("ATTRIBUTE_LOCATION(%d) in float4 rawpos;\n", SHADER_POSITION_ATTRIB);
if (uid_data->components & VB_HAS_POSMTXIDX)
@ -123,7 +124,8 @@ ShaderCode GenerateVertexShaderCode(APIType api_type, const vertex_shader_uid_da
}
}
if (g_ActiveConfig.backend_info.bSupportsGeometryShaders)
// We need to always use output blocks for Vulkan, but geometry shaders are also optional.
if (g_ActiveConfig.backend_info.bSupportsGeometryShaders || api_type == APIType::Vulkan)
{
out.Write("VARYING_LOCATION(0) out VertexData {\n");
GenerateVSOutputMembers(
@ -463,9 +465,9 @@ ShaderCode GenerateVertexShaderCode(APIType api_type, const vertex_shader_uid_da
// get rasterized correctly.
out.Write("o.pos.xy = o.pos.xy - o.pos.w * " I_PIXELCENTERCORRECTION ".xy;\n");
if (api_type == APIType::OpenGL)
if (api_type == APIType::OpenGL || api_type == APIType::Vulkan)
{
if (g_ActiveConfig.backend_info.bSupportsGeometryShaders)
if (g_ActiveConfig.backend_info.bSupportsGeometryShaders || api_type == APIType::Vulkan)
{
AssignVSOutputMembers(out, "vs", "o", uid_data->numTexGens, uid_data->pixel_lighting);
}
@ -490,7 +492,12 @@ ShaderCode GenerateVertexShaderCode(APIType api_type, const vertex_shader_uid_da
out.Write("gl_ClipDistance[0] = o.clipDist0;\n");
out.Write("gl_ClipDistance[1] = o.clipDist1;\n");
}
out.Write("gl_Position = o.pos;\n");
// Vulkan NDC space has Y pointing down (right-handed NDC space).
if (api_type == APIType::Vulkan)
out.Write("gl_Position = float4(o.pos.x, -o.pos.y, o.pos.z, o.pos.w);\n");
else
out.Write("gl_Position = o.pos;\n");
}
else // D3D
{