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Merge pull request #12068 from ameerj/glasm-xfb-fixes

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gl_graphics_pipeline: GLASM: Fix transform feedback attribs buffer mode
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liamwhite 2023-11-19 09:49:38 -05:00 committed by GitHub
commit 61fed8a3a6
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2 changed files with 6 additions and 1 deletions
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6
src/video_core/renderer_opengl/gl_graphics_pipeline.cpp
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@ -559,7 +559,9 @@ void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
} }
void GraphicsPipeline::ConfigureTransformFeedbackImpl() const { void GraphicsPipeline::ConfigureTransformFeedbackImpl() const {
glTransformFeedbackAttribsNV(num_xfb_attribs, xfb_attribs.data(), GL_SEPARATE_ATTRIBS); const GLenum buffer_mode =
num_xfb_buffers_active == 1 ? GL_INTERLEAVED_ATTRIBS : GL_SEPARATE_ATTRIBS;
glTransformFeedbackAttribsNV(num_xfb_attribs, xfb_attribs.data(), buffer_mode);
} }
void GraphicsPipeline::GenerateTransformFeedbackState() { void GraphicsPipeline::GenerateTransformFeedbackState() {
@ -567,12 +569,14 @@ void GraphicsPipeline::GenerateTransformFeedbackState() {
// when this is required. // when this is required.
GLint* cursor{xfb_attribs.data()}; GLint* cursor{xfb_attribs.data()};
num_xfb_buffers_active = 0;
for (size_t feedback = 0; feedback < Maxwell::NumTransformFeedbackBuffers; ++feedback) { for (size_t feedback = 0; feedback < Maxwell::NumTransformFeedbackBuffers; ++feedback) {
const auto& layout = key.xfb_state.layouts[feedback]; const auto& layout = key.xfb_state.layouts[feedback];
UNIMPLEMENTED_IF_MSG(layout.stride != layout.varying_count * 4, "Stride padding"); UNIMPLEMENTED_IF_MSG(layout.stride != layout.varying_count * 4, "Stride padding");
if (layout.varying_count == 0) { if (layout.varying_count == 0) {
continue; continue;
} }
num_xfb_buffers_active++;
const auto& locations = key.xfb_state.varyings[feedback]; const auto& locations = key.xfb_state.varyings[feedback];
std::optional<u32> current_index; std::optional<u32> current_index;

1
src/video_core/renderer_opengl/gl_graphics_pipeline.h
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@ -154,6 +154,7 @@ private:
static constexpr std::size_t XFB_ENTRY_STRIDE = 3; static constexpr std::size_t XFB_ENTRY_STRIDE = 3;
GLsizei num_xfb_attribs{}; GLsizei num_xfb_attribs{};
u32 num_xfb_buffers_active{};
std::array<GLint, 128 * XFB_ENTRY_STRIDE * Maxwell::NumTransformFeedbackBuffers> xfb_attribs{}; std::array<GLint, 128 * XFB_ENTRY_STRIDE * Maxwell::NumTransformFeedbackBuffers> xfb_attribs{};
std::mutex built_mutex; std::mutex built_mutex;