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author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2018-09-13 02:27:43 +0200 |
---|---|---|
committer | bunnei <bunneidev@gmail.com> | 2018-09-13 02:27:43 +0200 |
commit | a42376dfad5399bdbde03328b680531ddd4efdec (patch) | |
tree | eb2854993238e08c7506821bcdb489935aa4a62d /src/video_core/renderer_opengl/gl_rasterizer.cpp | |
parent | Merge pull request #1298 from lioncash/view (diff) | |
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Diffstat (limited to 'src/video_core/renderer_opengl/gl_rasterizer.cpp')
-rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.cpp | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index c59f3af1b..7e1bba67d 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -3,6 +3,7 @@ // Refer to the license.txt file included. #include <algorithm> +#include <array> #include <memory> #include <string> #include <string_view> @@ -58,6 +59,8 @@ RasterizerOpenGL::RasterizerOpenGL(Core::Frontend::EmuWindow& window, ScreenInfo if (extension == "GL_ARB_direct_state_access") { has_ARB_direct_state_access = true; + } else if (extension == "GL_ARB_multi_bind") { + has_ARB_multi_bind = true; } else if (extension == "GL_ARB_separate_shader_objects") { has_ARB_separate_shader_objects = true; } else if (extension == "GL_ARB_vertex_attrib_binding") { @@ -644,12 +647,23 @@ u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, Shader& shad const auto& shader_stage = maxwell3d.state.shader_stages[static_cast<size_t>(stage)]; const auto& entries = shader->GetShaderEntries().const_buffer_entries; + constexpr u64 max_binds = Tegra::Engines::Maxwell3D::Regs::MaxConstBuffers; + std::array<GLuint, max_binds> bind_buffers; + std::array<GLintptr, max_binds> bind_offsets; + std::array<GLsizeiptr, max_binds> bind_sizes; + + ASSERT_MSG(entries.size() <= max_binds, "Exceeded expected number of binding points."); + // Upload only the enabled buffers from the 16 constbuffers of each shader stage for (u32 bindpoint = 0; bindpoint < entries.size(); ++bindpoint) { const auto& used_buffer = entries[bindpoint]; const auto& buffer = shader_stage.const_buffers[used_buffer.GetIndex()]; if (!buffer.enabled) { + // With disabled buffers set values as zero to unbind them + bind_buffers[bindpoint] = 0; + bind_offsets[bindpoint] = 0; + bind_sizes[bindpoint] = 0; continue; } @@ -677,15 +691,20 @@ u32 RasterizerOpenGL::SetupConstBuffers(Maxwell::ShaderStage stage, Shader& shad GLintptr const_buffer_offset = buffer_cache.UploadMemory( buffer.address, size, static_cast<size_t>(uniform_buffer_alignment)); - glBindBufferRange(GL_UNIFORM_BUFFER, current_bindpoint + bindpoint, - buffer_cache.GetHandle(), const_buffer_offset, size); - // Now configure the bindpoint of the buffer inside the shader glUniformBlockBinding(shader->GetProgramHandle(), shader->GetProgramResourceIndex(used_buffer), current_bindpoint + bindpoint); + + // Prepare values for multibind + bind_buffers[bindpoint] = buffer_cache.GetHandle(); + bind_offsets[bindpoint] = const_buffer_offset; + bind_sizes[bindpoint] = size; } + glBindBuffersRange(GL_UNIFORM_BUFFER, current_bindpoint, static_cast<GLsizei>(entries.size()), + bind_buffers.data(), bind_offsets.data(), bind_sizes.data()); + return current_bindpoint + static_cast<u32>(entries.size()); } |