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gl_graphics_pipeline: GLASM: Fix transform feedback with multiple buffers

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This commit is contained in:
Ameer J 2023-08-13 16:50:01 -04:00
parent 26ff214719
commit c34ed4bbd8
2 changed files with 1 additions and 15 deletions
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14
src/video_core/renderer_opengl/gl_graphics_pipeline.cpp
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@ -559,15 +559,13 @@ void GraphicsPipeline::ConfigureImpl(bool is_indexed) {
}
void GraphicsPipeline::ConfigureTransformFeedbackImpl() const {
glTransformFeedbackStreamAttribsNV(num_xfb_attribs, xfb_attribs.data(), num_xfb_strides,
xfb_streams.data(), GL_INTERLEAVED_ATTRIBS);
glTransformFeedbackAttribsNV(num_xfb_attribs, xfb_attribs.data(), GL_SEPARATE_ATTRIBS);
}
void GraphicsPipeline::GenerateTransformFeedbackState() {
// TODO(Rodrigo): Inject SKIP_COMPONENTS*_NV when required. An unimplemented message will signal
// when this is required.
GLint* cursor{xfb_attribs.data()};
GLint* current_stream{xfb_streams.data()};
for (size_t feedback = 0; feedback < Maxwell::NumTransformFeedbackBuffers; ++feedback) {
const auto& layout = key.xfb_state.layouts[feedback];
@ -575,15 +573,6 @@ void GraphicsPipeline::GenerateTransformFeedbackState() {
if (layout.varying_count == 0) {
continue;
}
*current_stream = static_cast<GLint>(feedback);
if (current_stream != xfb_streams.data()) {
// When stepping one stream, push the expected token
cursor[0] = GL_NEXT_BUFFER_NV;
cursor[1] = 0;
cursor[2] = 0;
cursor += XFB_ENTRY_STRIDE;
}
++current_stream;
const auto& locations = key.xfb_state.varyings[feedback];
std::optional<u32> current_index;
@ -619,7 +608,6 @@ void GraphicsPipeline::GenerateTransformFeedbackState() {
}
}
num_xfb_attribs = static_cast<GLsizei>((cursor - xfb_attribs.data()) / XFB_ENTRY_STRIDE);
num_xfb_strides = static_cast<GLsizei>(current_stream - xfb_streams.data());
}
void GraphicsPipeline::WaitForBuild() {

2
src/video_core/renderer_opengl/gl_graphics_pipeline.h
View file

@ -154,9 +154,7 @@ private:
static constexpr std::size_t XFB_ENTRY_STRIDE = 3;
GLsizei num_xfb_attribs{};
GLsizei num_xfb_strides{};
std::array<GLint, 128 * XFB_ENTRY_STRIDE * Maxwell::NumTransformFeedbackBuffers> xfb_attribs{};
std::array<GLint, Maxwell::NumTransformFeedbackBuffers> xfb_streams{};
std::mutex built_mutex;
std::condition_variable built_condvar;