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-rw-r--r--src/video_core/renderer_opengl/gl_graphics_program.cpp90
-rw-r--r--src/video_core/renderer_opengl/gl_graphics_program.h32
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.cpp98
-rw-r--r--src/video_core/renderer_opengl/gl_rasterizer.h6
-rw-r--r--src/video_core/renderer_opengl/gl_shader_cache.cpp19
5 files changed, 132 insertions, 113 deletions
diff --git a/src/video_core/renderer_opengl/gl_graphics_program.cpp b/src/video_core/renderer_opengl/gl_graphics_program.cpp
index b5d75aa13..9677a3ed6 100644
--- a/src/video_core/renderer_opengl/gl_graphics_program.cpp
+++ b/src/video_core/renderer_opengl/gl_graphics_program.cpp
@@ -12,7 +12,7 @@
#include "video_core/texture_cache/texture_cache.h"
namespace OpenGL {
-
+namespace {
using Shader::ImageBufferDescriptor;
using Tegra::Texture::TexturePair;
using VideoCommon::ImageId;
@@ -20,6 +20,35 @@ using VideoCommon::ImageId;
constexpr u32 MAX_TEXTURES = 64;
constexpr u32 MAX_IMAGES = 8;
+/// Translates hardware transform feedback indices
+/// @param location Hardware location
+/// @return Pair of ARB_transform_feedback3 token stream first and third arguments
+/// @note Read https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_transform_feedback3.txt
+std::pair<GLint, GLint> TransformFeedbackEnum(u8 location) {
+ const u8 index = location / 4;
+ if (index >= 8 && index <= 39) {
+ return {GL_GENERIC_ATTRIB_NV, index - 8};
+ }
+ if (index >= 48 && index <= 55) {
+ return {GL_TEXTURE_COORD_NV, index - 48};
+ }
+ switch (index) {
+ case 7:
+ return {GL_POSITION, 0};
+ case 40:
+ return {GL_PRIMARY_COLOR_NV, 0};
+ case 41:
+ return {GL_SECONDARY_COLOR_NV, 0};
+ case 42:
+ return {GL_BACK_PRIMARY_COLOR_NV, 0};
+ case 43:
+ return {GL_BACK_SECONDARY_COLOR_NV, 0};
+ }
+ UNIMPLEMENTED_MSG("index={}", index);
+ return {GL_POSITION, 0};
+}
+} // Anonymous namespace
+
size_t GraphicsProgramKey::Hash() const noexcept {
return static_cast<size_t>(Common::CityHash64(reinterpret_cast<const char*>(this), Size()));
}
@@ -34,7 +63,8 @@ GraphicsProgram::GraphicsProgram(TextureCache& texture_cache_, BufferCache& buff
ProgramManager& program_manager_, StateTracker& state_tracker_,
OGLProgram program_,
std::array<OGLAssemblyProgram, 5> assembly_programs_,
- const std::array<const Shader::Info*, 5>& infos)
+ const std::array<const Shader::Info*, 5>& infos,
+ const VideoCommon::TransformFeedbackState* xfb_state)
: texture_cache{texture_cache_}, buffer_cache{buffer_cache_},
gpu_memory{gpu_memory_}, maxwell3d{maxwell3d_}, program_manager{program_manager_},
state_tracker{state_tracker_}, program{std::move(program_)}, assembly_programs{std::move(
@@ -74,6 +104,10 @@ GraphicsProgram::GraphicsProgram(TextureCache& texture_cache_, BufferCache& buff
}
ASSERT(num_textures <= MAX_TEXTURES);
ASSERT(num_images <= MAX_IMAGES);
+
+ if (assembly_programs[0].handle != 0 && xfb_state) {
+ GenerateTransformFeedbackState(*xfb_state);
+ }
}
struct Spec {
@@ -302,4 +336,56 @@ void GraphicsProgram::Configure(bool is_indexed) {
}
}
+void GraphicsProgram::GenerateTransformFeedbackState(
+ const VideoCommon::TransformFeedbackState& xfb_state) {
+ // TODO(Rodrigo): Inject SKIP_COMPONENTS*_NV when required. An unimplemented message will signal
+ // when this is required.
+ const auto& regs{maxwell3d.regs};
+
+ GLint* cursor{xfb_attribs.data()};
+ GLint* current_stream{xfb_streams.data()};
+
+ for (size_t feedback = 0; feedback < Maxwell::NumTransformFeedbackBuffers; ++feedback) {
+ const auto& layout = regs.tfb_layouts[feedback];
+ UNIMPLEMENTED_IF_MSG(layout.stride != layout.varying_count * 4, "Stride padding");
+ 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 = regs.tfb_varying_locs[feedback];
+ std::optional<u8> current_index;
+ for (u32 offset = 0; offset < layout.varying_count; ++offset) {
+ const u8 location = locations[offset];
+ const u8 index = location / 4;
+
+ if (current_index == index) {
+ // Increase number of components of the previous attachment
+ ++cursor[-2];
+ continue;
+ }
+ current_index = index;
+
+ std::tie(cursor[0], cursor[2]) = TransformFeedbackEnum(location);
+ cursor[1] = 1;
+ cursor += XFB_ENTRY_STRIDE;
+ }
+ }
+ 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 GraphicsProgram::ConfigureTransformFeedbackImpl() const {
+ glTransformFeedbackStreamAttribsNV(num_xfb_attribs, xfb_attribs.data(), num_xfb_strides,
+ xfb_streams.data(), GL_INTERLEAVED_ATTRIBS);
+}
+
} // namespace OpenGL
diff --git a/src/video_core/renderer_opengl/gl_graphics_program.h b/src/video_core/renderer_opengl/gl_graphics_program.h
index 18292bb16..53a57ede5 100644
--- a/src/video_core/renderer_opengl/gl_graphics_program.h
+++ b/src/video_core/renderer_opengl/gl_graphics_program.h
@@ -16,6 +16,7 @@
#include "video_core/renderer_opengl/gl_buffer_cache.h"
#include "video_core/renderer_opengl/gl_resource_manager.h"
#include "video_core/renderer_opengl/gl_texture_cache.h"
+#include "video_core/transform_feedback.h"
namespace OpenGL {
@@ -24,16 +25,6 @@ class ProgramManager;
using Maxwell = Tegra::Engines::Maxwell3D::Regs;
struct GraphicsProgramKey {
- struct TransformFeedbackState {
- struct Layout {
- u32 stream;
- u32 varying_count;
- u32 stride;
- };
- std::array<Layout, Maxwell::NumTransformFeedbackBuffers> layouts;
- std::array<std::array<u8, 128>, Maxwell::NumTransformFeedbackBuffers> varyings;
- };
-
std::array<u64, 6> unique_hashes;
union {
u32 raw;
@@ -45,7 +36,7 @@ struct GraphicsProgramKey {
BitField<10, 1, u32> tessellation_clockwise;
};
std::array<u32, 3> padding;
- TransformFeedbackState xfb_state;
+ VideoCommon::TransformFeedbackState xfb_state;
size_t Hash() const noexcept;
@@ -75,11 +66,22 @@ public:
ProgramManager& program_manager_, StateTracker& state_tracker_,
OGLProgram program_,
std::array<OGLAssemblyProgram, 5> assembly_programs_,
- const std::array<const Shader::Info*, 5>& infos);
+ const std::array<const Shader::Info*, 5>& infos,
+ const VideoCommon::TransformFeedbackState* xfb_state);
void Configure(bool is_indexed);
+ void ConfigureTransformFeedback() const {
+ if (num_xfb_attribs != 0) {
+ ConfigureTransformFeedbackImpl();
+ }
+ }
+
private:
+ void GenerateTransformFeedbackState(const VideoCommon::TransformFeedbackState& xfb_state);
+
+ void ConfigureTransformFeedbackImpl() const;
+
TextureCache& texture_cache;
BufferCache& buffer_cache;
Tegra::MemoryManager& gpu_memory;
@@ -96,6 +98,12 @@ private:
std::array<u32, 5> base_storage_bindings{};
std::array<u32, 5> num_texture_buffers{};
std::array<u32, 5> num_image_buffers{};
+
+ 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{};
};
} // namespace OpenGL
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index 4834d58f0..51ff42ee9 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -51,37 +51,8 @@ MICROPROFILE_DEFINE(OpenGL_Blits, "OpenGL", "Blits", MP_RGB(128, 128, 192));
MICROPROFILE_DEFINE(OpenGL_CacheManagement, "OpenGL", "Cache Management", MP_RGB(100, 255, 100));
namespace {
-
constexpr size_t NUM_SUPPORTED_VERTEX_ATTRIBUTES = 16;
-/// Translates hardware transform feedback indices
-/// @param location Hardware location
-/// @return Pair of ARB_transform_feedback3 token stream first and third arguments
-/// @note Read https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_transform_feedback3.txt
-std::pair<GLint, GLint> TransformFeedbackEnum(u8 location) {
- const u8 index = location / 4;
- if (index >= 8 && index <= 39) {
- return {GL_GENERIC_ATTRIB_NV, index - 8};
- }
- if (index >= 48 && index <= 55) {
- return {GL_TEXTURE_COORD_NV, index - 48};
- }
- switch (index) {
- case 7:
- return {GL_POSITION, 0};
- case 40:
- return {GL_PRIMARY_COLOR_NV, 0};
- case 41:
- return {GL_SECONDARY_COLOR_NV, 0};
- case 42:
- return {GL_BACK_PRIMARY_COLOR_NV, 0};
- case 43:
- return {GL_BACK_SECONDARY_COLOR_NV, 0};
- }
- UNIMPLEMENTED_MSG("index={}", index);
- return {GL_POSITION, 0};
-}
-
void oglEnable(GLenum cap, bool state) {
(state ? glEnable : glDisable)(cap);
}
@@ -253,7 +224,7 @@ void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
program->Configure(is_indexed);
const GLenum primitive_mode = MaxwellToGL::PrimitiveTopology(maxwell3d.regs.draw.topology);
- BeginTransformFeedback(primitive_mode);
+ BeginTransformFeedback(program, primitive_mode);
const GLuint base_instance = static_cast<GLuint>(maxwell3d.regs.vb_base_instance);
const GLsizei num_instances =
@@ -1025,68 +996,13 @@ void RasterizerOpenGL::SyncFramebufferSRGB() {
oglEnable(GL_FRAMEBUFFER_SRGB, maxwell3d.regs.framebuffer_srgb);
}
-void RasterizerOpenGL::SyncTransformFeedback() {
- // TODO(Rodrigo): Inject SKIP_COMPONENTS*_NV when required. An unimplemented message will signal
- // when this is required.
- const auto& regs = maxwell3d.regs;
-
- static constexpr std::size_t STRIDE = 3;
- std::array<GLint, 128 * STRIDE * Maxwell::NumTransformFeedbackBuffers> attribs;
- std::array<GLint, Maxwell::NumTransformFeedbackBuffers> streams;
-
- GLint* cursor = attribs.data();
- GLint* current_stream = streams.data();
-
- for (std::size_t feedback = 0; feedback < Maxwell::NumTransformFeedbackBuffers; ++feedback) {
- const auto& layout = regs.tfb_layouts[feedback];
- UNIMPLEMENTED_IF_MSG(layout.stride != layout.varying_count * 4, "Stride padding");
- if (layout.varying_count == 0) {
- continue;
- }
-
- *current_stream = static_cast<GLint>(feedback);
- if (current_stream != streams.data()) {
- // When stepping one stream, push the expected token
- cursor[0] = GL_NEXT_BUFFER_NV;
- cursor[1] = 0;
- cursor[2] = 0;
- cursor += STRIDE;
- }
- ++current_stream;
-
- const auto& locations = regs.tfb_varying_locs[feedback];
- std::optional<u8> current_index;
- for (u32 offset = 0; offset < layout.varying_count; ++offset) {
- const u8 location = locations[offset];
- const u8 index = location / 4;
-
- if (current_index == index) {
- // Increase number of components of the previous attachment
- ++cursor[-2];
- continue;
- }
- current_index = index;
-
- std::tie(cursor[0], cursor[2]) = TransformFeedbackEnum(location);
- cursor[1] = 1;
- cursor += STRIDE;
- }
- }
-
- const GLsizei num_attribs = static_cast<GLsizei>((cursor - attribs.data()) / STRIDE);
- const GLsizei num_strides = static_cast<GLsizei>(current_stream - streams.data());
- glTransformFeedbackStreamAttribsNV(num_attribs, attribs.data(), num_strides, streams.data(),
- GL_INTERLEAVED_ATTRIBS);
-}
-
-void RasterizerOpenGL::BeginTransformFeedback(GLenum primitive_mode) {
+void RasterizerOpenGL::BeginTransformFeedback(GraphicsProgram* program, GLenum primitive_mode) {
const auto& regs = maxwell3d.regs;
if (regs.tfb_enabled == 0) {
return;
}
- if (device.UseAssemblyShaders()) {
- SyncTransformFeedback();
- }
+ program->ConfigureTransformFeedback();
+
UNIMPLEMENTED_IF(regs.IsShaderConfigEnabled(Maxwell::ShaderProgram::TesselationControl) ||
regs.IsShaderConfigEnabled(Maxwell::ShaderProgram::TesselationEval) ||
regs.IsShaderConfigEnabled(Maxwell::ShaderProgram::Geometry));
@@ -1100,11 +1016,9 @@ void RasterizerOpenGL::BeginTransformFeedback(GLenum primitive_mode) {
}
void RasterizerOpenGL::EndTransformFeedback() {
- const auto& regs = maxwell3d.regs;
- if (regs.tfb_enabled == 0) {
- return;
+ if (maxwell3d.regs.tfb_enabled != 0) {
+ glEndTransformFeedback();
}
- glEndTransformFeedback();
}
AccelerateDMA::AccelerateDMA(BufferCache& buffer_cache_) : buffer_cache{buffer_cache_} {}
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index 2fdcbe4ba..08f509c19 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -193,12 +193,8 @@ private:
/// Syncs vertex instances to match the guest state
void SyncVertexInstances();
- /// Syncs transform feedback state to match guest state
- /// @note Only valid on assembly shaders
- void SyncTransformFeedback();
-
/// Begin a transform feedback
- void BeginTransformFeedback(GLenum primitive_mode);
+ void BeginTransformFeedback(GraphicsProgram* program, GLenum primitive_mode);
/// End a transform feedback
void EndTransformFeedback();
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp
index b4f26dd74..0a0f1324f 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp
@@ -254,6 +254,17 @@ Shader::RuntimeInfo MakeRuntimeInfo(const GraphicsProgramKey& key,
}
return info;
}
+
+void SetXfbState(VideoCommon::TransformFeedbackState& state, const Maxwell& regs) {
+ std::ranges::transform(regs.tfb_layouts, state.layouts.begin(), [](const auto& layout) {
+ return VideoCommon::TransformFeedbackState::Layout{
+ .stream = layout.stream,
+ .varying_count = layout.varying_count,
+ .stride = layout.stride,
+ };
+ });
+ state.varyings = regs.tfb_varying_locs;
+}
} // Anonymous namespace
ShaderCache::ShaderCache(RasterizerOpenGL& rasterizer_, Core::Frontend::EmuWindow& emu_window_,
@@ -282,7 +293,10 @@ GraphicsProgram* ShaderCache::CurrentGraphicsProgram() {
graphics_key.tessellation_primitive.Assign(regs.tess_mode.prim.Value());
graphics_key.tessellation_spacing.Assign(regs.tess_mode.spacing.Value());
graphics_key.tessellation_clockwise.Assign(regs.tess_mode.cw.Value());
-
+ graphics_key.xfb_enabled.Assign(regs.tfb_enabled != 0 ? 1 : 0);
+ if (graphics_key.xfb_enabled) {
+ SetXfbState(graphics_key.xfb_state, regs);
+ }
const auto [pair, is_new]{graphics_cache.try_emplace(graphics_key)};
auto& program{pair->second};
if (is_new) {
@@ -368,7 +382,8 @@ std::unique_ptr<GraphicsProgram> ShaderCache::CreateGraphicsProgram(
}
return std::make_unique<GraphicsProgram>(
texture_cache, buffer_cache, gpu_memory, maxwell3d, program_manager, state_tracker,
- std::move(source_program), std::move(assembly_programs), infos);
+ std::move(source_program), std::move(assembly_programs), infos,
+ key.xfb_enabled != 0 ? &key.xfb_state : nullptr);
}
std::unique_ptr<ComputeProgram> ShaderCache::CreateComputeProgram(
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 21:53:05 +0100