From c34ed4bbd810447e4434599a5b5fae48acb5748f Mon Sep 17 00:00:00 2001 From: Ameer J <52414509+ameerj@users.noreply.github.com> Date: Sun, 13 Aug 2023 16:50:01 -0400 Subject: [PATCH] gl_graphics_pipeline: GLASM: Fix transform feedback with multiple buffers --- .../renderer_opengl/gl_graphics_pipeline.cpp | 14 +------------- .../renderer_opengl/gl_graphics_pipeline.h | 2 -- 2 files changed, 1 insertion(+), 15 deletions(-) diff --git a/src/video_core/renderer_opengl/gl_graphics_pipeline.cpp b/src/video_core/renderer_opengl/gl_graphics_pipeline.cpp index f822fa8565..2d68abf985 100644 --- a/src/video_core/renderer_opengl/gl_graphics_pipeline.cpp +++ b/src/video_core/renderer_opengl/gl_graphics_pipeline.cpp @@ -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(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 current_index; @@ -619,7 +608,6 @@ void GraphicsPipeline::GenerateTransformFeedbackState() { } } num_xfb_attribs = static_cast((cursor - xfb_attribs.data()) / XFB_ENTRY_STRIDE); - num_xfb_strides = static_cast(current_stream - xfb_streams.data()); } void GraphicsPipeline::WaitForBuild() { diff --git a/src/video_core/renderer_opengl/gl_graphics_pipeline.h b/src/video_core/renderer_opengl/gl_graphics_pipeline.h index 7b3d7eae81..74fc9cc3dc 100644 --- a/src/video_core/renderer_opengl/gl_graphics_pipeline.h +++ b/src/video_core/renderer_opengl/gl_graphics_pipeline.h @@ -154,9 +154,7 @@ private: static constexpr std::size_t XFB_ENTRY_STRIDE = 3; GLsizei num_xfb_attribs{}; - GLsizei num_xfb_strides{}; std::array xfb_attribs{}; - std::array xfb_streams{}; std::mutex built_mutex; std::condition_variable built_condvar;