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Merge pull request #12415 from ameerj/ogl-draw-auto

gl_rasterizer: Implement DrawTransformFeedback macro
This commit is contained in:
liamwhite 2023-12-26 11:45:25 -05:00 committed by GitHub
commit ad049f13aa
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 90 additions and 2 deletions

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@ -327,12 +327,13 @@ public:
explicit HLE_DrawIndirectByteCount(Maxwell3D& maxwell3d_) : HLEMacroImpl(maxwell3d_) {}
void Execute(const std::vector<u32>& parameters, [[maybe_unused]] u32 method) override {
const bool force = maxwell3d.Rasterizer().HasDrawTransformFeedback();
auto topology = static_cast<Maxwell3D::Regs::PrimitiveTopology>(parameters[0] & 0xFFFFU);
if (!maxwell3d.AnyParametersDirty() || !IsTopologySafe(topology)) {
if (!force && (!maxwell3d.AnyParametersDirty() || !IsTopologySafe(topology))) {
Fallback(parameters);
return;
}
auto& params = maxwell3d.draw_manager->GetIndirectParams();
params.is_byte_count = true;
params.is_indexed = false;
@ -503,6 +504,8 @@ public:
maxwell3d.CallMethod(static_cast<size_t>(MAXWELL3D_REG_INDEX(launch_dma)), 0x1011, true);
maxwell3d.CallMethod(static_cast<size_t>(MAXWELL3D_REG_INDEX(inline_data)),
regs.transform_feedback.controls[0].stride, true);
maxwell3d.Rasterizer().RegisterTransformFeedback(regs.upload.dest.Address());
}
};

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@ -173,5 +173,13 @@ public:
virtual void BindChannel(Tegra::Control::ChannelState& channel) {}
virtual void ReleaseChannel(s32 channel_id) {}
/// Register the address as a Transform Feedback Object
virtual void RegisterTransformFeedback(GPUVAddr tfb_object_addr) {}
/// Returns true when the rasterizer has Draw Transform Feedback capabilities
virtual bool HasDrawTransformFeedback() {
return false;
}
};
} // namespace VideoCore

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@ -376,4 +376,15 @@ void BufferCacheRuntime::BindImageBuffer(Buffer& buffer, u32 offset, u32 size, P
*image_handles++ = buffer.View(offset, size, format);
}
void BufferCacheRuntime::BindTransformFeedbackObject(GPUVAddr tfb_object_addr) {
OGLTransformFeedback& tfb_object = tfb_objects[tfb_object_addr];
tfb_object.Create();
glBindTransformFeedback(GL_TRANSFORM_FEEDBACK, tfb_object.handle);
}
GLuint BufferCacheRuntime::GetTransformFeedbackObject(GPUVAddr tfb_object_addr) {
ASSERT(tfb_objects.contains(tfb_object_addr));
return tfb_objects[tfb_object_addr].handle;
}
} // namespace OpenGL

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@ -5,6 +5,7 @@
#include <array>
#include <span>
#include <unordered_map>
#include "common/common_types.h"
#include "video_core/buffer_cache/buffer_cache_base.h"
@ -121,6 +122,9 @@ public:
void BindImageBuffer(Buffer& buffer, u32 offset, u32 size,
VideoCore::Surface::PixelFormat format);
void BindTransformFeedbackObject(GPUVAddr tfb_object_addr);
GLuint GetTransformFeedbackObject(GPUVAddr tfb_object_addr);
u64 GetDeviceMemoryUsage() const;
void BindFastUniformBuffer(size_t stage, u32 binding_index, u32 size) {
@ -233,6 +237,7 @@ private:
u32 index_buffer_offset = 0;
u64 device_access_memory;
std::unordered_map<GPUVAddr, OGLTransformFeedback> tfb_objects;
};
struct BufferCacheParams {

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@ -309,6 +309,13 @@ void RasterizerOpenGL::DrawIndirect() {
const auto& params = maxwell3d->draw_manager->GetIndirectParams();
buffer_cache.SetDrawIndirect(&params);
PrepareDraw(params.is_indexed, [this, &params](GLenum primitive_mode) {
if (params.is_byte_count) {
const GPUVAddr tfb_object_base_addr = params.indirect_start_address - 4U;
const GLuint tfb_object =
buffer_cache_runtime.GetTransformFeedbackObject(tfb_object_base_addr);
glDrawTransformFeedback(primitive_mode, tfb_object);
return;
}
const auto [buffer, offset] = buffer_cache.GetDrawIndirectBuffer();
const GLvoid* const gl_offset =
reinterpret_cast<const GLvoid*>(static_cast<uintptr_t>(offset));
@ -1371,6 +1378,10 @@ void RasterizerOpenGL::ReleaseChannel(s32 channel_id) {
query_cache.EraseChannel(channel_id);
}
void RasterizerOpenGL::RegisterTransformFeedback(GPUVAddr tfb_object_addr) {
buffer_cache_runtime.BindTransformFeedbackObject(tfb_object_addr);
}
AccelerateDMA::AccelerateDMA(BufferCache& buffer_cache_, TextureCache& texture_cache_)
: buffer_cache{buffer_cache_}, texture_cache{texture_cache_} {}

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@ -139,6 +139,12 @@ public:
void ReleaseChannel(s32 channel_id) override;
void RegisterTransformFeedback(GPUVAddr tfb_object_addr) override;
bool HasDrawTransformFeedback() override {
return true;
}
private:
static constexpr size_t MAX_TEXTURES = 192;
static constexpr size_t MAX_IMAGES = 48;

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@ -207,4 +207,21 @@ void OGLQuery::Release() {
handle = 0;
}
void OGLTransformFeedback::Create() {
if (handle != 0)
return;
MICROPROFILE_SCOPE(OpenGL_ResourceCreation);
glCreateTransformFeedbacks(1, &handle);
}
void OGLTransformFeedback::Release() {
if (handle == 0)
return;
MICROPROFILE_SCOPE(OpenGL_ResourceDeletion);
glDeleteTransformFeedbacks(1, &handle);
handle = 0;
}
} // namespace OpenGL

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@ -323,4 +323,31 @@ public:
GLuint handle = 0;
};
class OGLTransformFeedback final {
public:
YUZU_NON_COPYABLE(OGLTransformFeedback);
OGLTransformFeedback() = default;
OGLTransformFeedback(OGLTransformFeedback&& o) noexcept : handle(std::exchange(o.handle, 0)) {}
~OGLTransformFeedback() {
Release();
}
OGLTransformFeedback& operator=(OGLTransformFeedback&& o) noexcept {
Release();
handle = std::exchange(o.handle, 0);
return *this;
}
/// Creates a new internal OpenGL resource and stores the handle
void Create();
/// Deletes the internal OpenGL resource
void Release();
GLuint handle = 0;
};
} // namespace OpenGL