Merge pull request #12068 from ameerj/glasm-xfb-fixes
gl_graphics_pipeline: GLASM: Fix transform feedback attribs buffer mode
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commit
61fed8a3a6
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@ -559,7 +559,9 @@ void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
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}
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}
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void GraphicsPipeline::ConfigureTransformFeedbackImpl() const {
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void GraphicsPipeline::ConfigureTransformFeedbackImpl() const {
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glTransformFeedbackAttribsNV(num_xfb_attribs, xfb_attribs.data(), GL_SEPARATE_ATTRIBS);
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const GLenum buffer_mode =
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num_xfb_buffers_active == 1 ? GL_INTERLEAVED_ATTRIBS : GL_SEPARATE_ATTRIBS;
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glTransformFeedbackAttribsNV(num_xfb_attribs, xfb_attribs.data(), buffer_mode);
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}
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}
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void GraphicsPipeline::GenerateTransformFeedbackState() {
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void GraphicsPipeline::GenerateTransformFeedbackState() {
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@ -567,12 +569,14 @@ void GraphicsPipeline::GenerateTransformFeedbackState() {
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// when this is required.
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// when this is required.
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GLint* cursor{xfb_attribs.data()};
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GLint* cursor{xfb_attribs.data()};
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num_xfb_buffers_active = 0;
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for (size_t feedback = 0; feedback < Maxwell::NumTransformFeedbackBuffers; ++feedback) {
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for (size_t feedback = 0; feedback < Maxwell::NumTransformFeedbackBuffers; ++feedback) {
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const auto& layout = key.xfb_state.layouts[feedback];
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const auto& layout = key.xfb_state.layouts[feedback];
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UNIMPLEMENTED_IF_MSG(layout.stride != layout.varying_count * 4, "Stride padding");
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UNIMPLEMENTED_IF_MSG(layout.stride != layout.varying_count * 4, "Stride padding");
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if (layout.varying_count == 0) {
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if (layout.varying_count == 0) {
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continue;
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continue;
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}
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}
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num_xfb_buffers_active++;
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const auto& locations = key.xfb_state.varyings[feedback];
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const auto& locations = key.xfb_state.varyings[feedback];
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std::optional<u32> current_index;
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std::optional<u32> current_index;
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@ -154,6 +154,7 @@ private:
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static constexpr std::size_t XFB_ENTRY_STRIDE = 3;
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static constexpr std::size_t XFB_ENTRY_STRIDE = 3;
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GLsizei num_xfb_attribs{};
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GLsizei num_xfb_attribs{};
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u32 num_xfb_buffers_active{};
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std::array<GLint, 128 * XFB_ENTRY_STRIDE * Maxwell::NumTransformFeedbackBuffers> xfb_attribs{};
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std::array<GLint, 128 * XFB_ENTRY_STRIDE * Maxwell::NumTransformFeedbackBuffers> xfb_attribs{};
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std::mutex built_mutex;
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std::mutex built_mutex;
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