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vk_shader_decompiler: Skip NDC correction when it is native 

Avoid changing gl_Position when the NDC used by the game is [0, 1]
(Vulkan's native).
This commit is contained in:
ReinUsesLisp 2019-12-19 01:45:09 -03:00
parent 485c21eac3
commit de918ebeb0
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GPG Key ID: 2DFC508897B39CFE
2 changed files with 2 additions and 1 deletions
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2
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
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@ -1841,7 +1841,7 @@ private:
} }
void PreExit() { void PreExit() {
if (stage == ShaderType::Vertex) { if (stage == ShaderType::Vertex && specialization.ndc_minus_one_to_one) {
const u32 position_index = out_indices.position.value(); const u32 position_index = out_indices.position.value();
const Id z_pointer = AccessElement(t_out_float, out_vertex, position_index, 2U); const Id z_pointer = AccessElement(t_out_float, out_vertex, position_index, 2U);
const Id w_pointer = AccessElement(t_out_float, out_vertex, position_index, 3U); const Id w_pointer = AccessElement(t_out_float, out_vertex, position_index, 3U);

1
src/video_core/renderer_vulkan/vk_shader_decompiler.h
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@ -94,6 +94,7 @@ struct Specialization final {
Maxwell::PrimitiveTopology primitive_topology{}; Maxwell::PrimitiveTopology primitive_topology{};
std::optional<float> point_size{}; std::optional<float> point_size{};
std::array<Maxwell::VertexAttribute::Type, Maxwell::NumVertexAttributes> attribute_types{}; std::array<Maxwell::VertexAttribute::Type, Maxwell::NumVertexAttributes> attribute_types{};
bool ndc_minus_one_to_one{};
// Tessellation specific // Tessellation specific
struct { struct {