diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_buffer_cache.cpp')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_buffer_cache.cpp | 90 |
1 files changed, 77 insertions, 13 deletions
diff --git a/src/video_core/renderer_opengl/gl_buffer_cache.cpp b/src/video_core/renderer_opengl/gl_buffer_cache.cpp index c225d1fc9..07a995f7d 100644 --- a/src/video_core/renderer_opengl/gl_buffer_cache.cpp +++ b/src/video_core/renderer_opengl/gl_buffer_cache.cpp @@ -2,14 +2,18 @@ // Licensed under GPLv2 or any later version // Refer to the license.txt file included. +#include <algorithm> #include <span> #include "video_core/buffer_cache/buffer_cache.h" #include "video_core/renderer_opengl/gl_buffer_cache.h" #include "video_core/renderer_opengl/gl_device.h" +#include "video_core/renderer_opengl/maxwell_to_gl.h" namespace OpenGL { namespace { +using VideoCore::Surface::PixelFormat; + struct BindlessSSBO { GLuint64EXT address; GLsizei length; @@ -21,6 +25,25 @@ constexpr std::array PROGRAM_LUT{ GL_VERTEX_PROGRAM_NV, GL_TESS_CONTROL_PROGRAM_NV, GL_TESS_EVALUATION_PROGRAM_NV, GL_GEOMETRY_PROGRAM_NV, GL_FRAGMENT_PROGRAM_NV, }; + +[[nodiscard]] GLenum GetTextureBufferFormat(GLenum gl_format) { + switch (gl_format) { + case GL_RGBA8_SNORM: + return GL_RGBA8; + case GL_R8_SNORM: + return GL_R8; + case GL_RGBA16_SNORM: + return GL_RGBA16; + case GL_R16_SNORM: + return GL_R16; + case GL_RG16_SNORM: + return GL_RG16; + case GL_RG8_SNORM: + return GL_RG8; + default: + return gl_format; + } +} } // Anonymous namespace Buffer::Buffer(BufferCacheRuntime&, VideoCommon::NullBufferParams null_params) @@ -62,6 +85,30 @@ void Buffer::MakeResident(GLenum access) noexcept { glMakeNamedBufferResidentNV(buffer.handle, access); } +GLuint Buffer::View(u32 offset, u32 size, PixelFormat format) { + const auto it{std::ranges::find_if(views, [offset, size, format](const BufferView& view) { + return offset == view.offset && size == view.size && format == view.format; + })}; + if (it != views.end()) { + return it->texture.handle; + } + OGLTexture texture; + texture.Create(GL_TEXTURE_BUFFER); + const GLenum gl_format{MaxwellToGL::GetFormatTuple(format).internal_format}; + const GLenum texture_format{GetTextureBufferFormat(gl_format)}; + if (texture_format != gl_format) { + LOG_WARNING(Render_OpenGL, "Emulating SNORM texture buffer with UNORM."); + } + glTextureBufferRange(texture.handle, texture_format, buffer.handle, offset, size); + views.push_back({ + .offset = offset, + .size = size, + .format = format, + .texture = std::move(texture), + }); + return views.back().texture.handle; +} + BufferCacheRuntime::BufferCacheRuntime(const Device& device_) : device{device_}, has_fast_buffer_sub_data{device.HasFastBufferSubData()}, use_assembly_shaders{device.UseAssemblyShaders()}, @@ -98,6 +145,12 @@ void BufferCacheRuntime::CopyBuffer(Buffer& dst_buffer, Buffer& src_buffer, } } +void BufferCacheRuntime::ClearBuffer(Buffer& dest_buffer, u32 offset, size_t size, u32 value) { + glClearNamedBufferSubData(dest_buffer.Handle(), GL_R32UI, static_cast<GLintptr>(offset), + static_cast<GLsizeiptr>(size / sizeof(u32)), GL_RED, GL_UNSIGNED_INT, + &value); +} + void BufferCacheRuntime::BindIndexBuffer(Buffer& buffer, u32 offset, u32 size) { if (has_unified_vertex_buffers) { buffer.MakeResident(GL_READ_ONLY); @@ -138,7 +191,7 @@ void BufferCacheRuntime::BindUniformBuffer(size_t stage, u32 binding_index, Buff glBindBufferRangeNV(PABO_LUT[stage], binding_index, handle, 0, static_cast<GLsizeiptr>(size)); } else { - const GLuint base_binding = device.GetBaseBindings(stage).uniform_buffer; + const GLuint base_binding = graphics_base_uniform_bindings[stage]; const GLuint binding = base_binding + binding_index; glBindBufferRange(GL_UNIFORM_BUFFER, binding, buffer.Handle(), static_cast<GLintptr>(offset), static_cast<GLsizeiptr>(size)); @@ -165,7 +218,12 @@ void BufferCacheRuntime::BindComputeUniformBuffer(u32 binding_index, Buffer& buf void BufferCacheRuntime::BindStorageBuffer(size_t stage, u32 binding_index, Buffer& buffer, u32 offset, u32 size, bool is_written) { - if (use_assembly_shaders) { + if (use_storage_buffers) { + const GLuint base_binding = graphics_base_storage_bindings[stage]; + const GLuint binding = base_binding + binding_index; + glBindBufferRange(GL_SHADER_STORAGE_BUFFER, binding, buffer.Handle(), + static_cast<GLintptr>(offset), static_cast<GLsizeiptr>(size)); + } else { const BindlessSSBO ssbo{ .address = buffer.HostGpuAddr() + offset, .length = static_cast<GLsizei>(size), @@ -174,17 +232,19 @@ void BufferCacheRuntime::BindStorageBuffer(size_t stage, u32 binding_index, Buff buffer.MakeResident(is_written ? GL_READ_WRITE : GL_READ_ONLY); glProgramLocalParametersI4uivNV(PROGRAM_LUT[stage], binding_index, 1, reinterpret_cast<const GLuint*>(&ssbo)); - } else { - const GLuint base_binding = device.GetBaseBindings(stage).shader_storage_buffer; - const GLuint binding = base_binding + binding_index; - glBindBufferRange(GL_SHADER_STORAGE_BUFFER, binding, buffer.Handle(), - static_cast<GLintptr>(offset), static_cast<GLsizeiptr>(size)); } } void BufferCacheRuntime::BindComputeStorageBuffer(u32 binding_index, Buffer& buffer, u32 offset, u32 size, bool is_written) { - if (use_assembly_shaders) { + if (use_storage_buffers) { + if (size != 0) { + glBindBufferRange(GL_SHADER_STORAGE_BUFFER, binding_index, buffer.Handle(), + static_cast<GLintptr>(offset), static_cast<GLsizeiptr>(size)); + } else { + glBindBufferRange(GL_SHADER_STORAGE_BUFFER, binding_index, 0, 0, 0); + } + } else { const BindlessSSBO ssbo{ .address = buffer.HostGpuAddr() + offset, .length = static_cast<GLsizei>(size), @@ -193,11 +253,6 @@ void BufferCacheRuntime::BindComputeStorageBuffer(u32 binding_index, Buffer& buf buffer.MakeResident(is_written ? GL_READ_WRITE : GL_READ_ONLY); glProgramLocalParametersI4uivNV(GL_COMPUTE_PROGRAM_NV, binding_index, 1, reinterpret_cast<const GLuint*>(&ssbo)); - } else if (size == 0) { - glBindBufferRange(GL_SHADER_STORAGE_BUFFER, binding_index, 0, 0, 0); - } else { - glBindBufferRange(GL_SHADER_STORAGE_BUFFER, binding_index, buffer.Handle(), - static_cast<GLintptr>(offset), static_cast<GLsizeiptr>(size)); } } @@ -207,4 +262,13 @@ void BufferCacheRuntime::BindTransformFeedbackBuffer(u32 index, Buffer& buffer, static_cast<GLintptr>(offset), static_cast<GLsizeiptr>(size)); } +void BufferCacheRuntime::BindTextureBuffer(Buffer& buffer, u32 offset, u32 size, + PixelFormat format) { + *texture_handles++ = buffer.View(offset, size, format); +} + +void BufferCacheRuntime::BindImageBuffer(Buffer& buffer, u32 offset, u32 size, PixelFormat format) { + *image_handles++ = buffer.View(offset, size, format); +} + } // namespace OpenGL |