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Merge pull request #2870 from FernandoS27/multi-draw

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Implement a MME Draw commands Inliner and correct host instance drawing
This commit is contained in:
David 2019-09-22 23:13:02 +10:00 committed by GitHub
commit 9d69206cd0
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GPG key ID: 4AEE18F83AFDEB23
9 changed files with 273 additions and 91 deletions
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102
src/video_core/engines/maxwell_3d.cpp
View file

@ -92,6 +92,10 @@ void Maxwell3D::InitializeRegisterDefaults() {
// Some games (like Super Mario Odyssey) assume that SRGB is enabled.
regs.framebuffer_srgb = 1;
mme_inline[MAXWELL3D_REG_INDEX(draw.vertex_end_gl)] = true;
mme_inline[MAXWELL3D_REG_INDEX(draw.vertex_begin_gl)] = true;
mme_inline[MAXWELL3D_REG_INDEX(vertex_buffer.count)] = true;
mme_inline[MAXWELL3D_REG_INDEX(index_array.count)] = true;
}
#define DIRTY_REGS_POS(field_name) (offsetof(Maxwell3D::DirtyRegs, field_name))
@ -256,6 +260,9 @@ void Maxwell3D::CallMacroMethod(u32 method, std::size_t num_parameters, const u3
// Execute the current macro.
macro_interpreter.Execute(macro_positions[entry], num_parameters, parameters);
if (mme_draw.current_mode != MMEDrawMode::Undefined) {
FlushMMEInlineDraw();
}
}
void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) {
@ -416,6 +423,97 @@ void Maxwell3D::CallMethod(const GPU::MethodCall& method_call) {
}
}
void Maxwell3D::StepInstance(const MMEDrawMode expected_mode, const u32 count) {
if (mme_draw.current_mode == MMEDrawMode::Undefined) {
if (mme_draw.gl_begin_consume) {
mme_draw.current_mode = expected_mode;
mme_draw.current_count = count;
mme_draw.instance_count = 1;
mme_draw.gl_begin_consume = false;
mme_draw.gl_end_count = 0;
}
return;
} else {
if (mme_draw.current_mode == expected_mode && count == mme_draw.current_count &&
mme_draw.instance_mode && mme_draw.gl_begin_consume) {
mme_draw.instance_count++;
mme_draw.gl_begin_consume = false;
return;
} else {
FlushMMEInlineDraw();
}
}
// Tail call in case it needs to retry.
StepInstance(expected_mode, count);
}
void Maxwell3D::CallMethodFromMME(const GPU::MethodCall& method_call) {
const u32 method = method_call.method;
if (mme_inline[method]) {
regs.reg_array[method] = method_call.argument;
if (method == MAXWELL3D_REG_INDEX(vertex_buffer.count) ||
method == MAXWELL3D_REG_INDEX(index_array.count)) {
const MMEDrawMode expected_mode = method == MAXWELL3D_REG_INDEX(vertex_buffer.count)
? MMEDrawMode::Array
: MMEDrawMode::Indexed;
StepInstance(expected_mode, method_call.argument);
} else if (method == MAXWELL3D_REG_INDEX(draw.vertex_begin_gl)) {
mme_draw.instance_mode =
(regs.draw.instance_next != 0) || (regs.draw.instance_cont != 0);
mme_draw.gl_begin_consume = true;
} else {
mme_draw.gl_end_count++;
}
} else {
if (mme_draw.current_mode != MMEDrawMode::Undefined) {
FlushMMEInlineDraw();
}
CallMethod(method_call);
}
}
void Maxwell3D::FlushMMEInlineDraw() {
LOG_DEBUG(HW_GPU, "called, topology={}, count={}", static_cast<u32>(regs.draw.topology.Value()),
regs.vertex_buffer.count);
ASSERT_MSG(!(regs.index_array.count && regs.vertex_buffer.count), "Both indexed and direct?");
ASSERT(mme_draw.instance_count == mme_draw.gl_end_count);
auto debug_context = system.GetGPUDebugContext();
if (debug_context) {
debug_context->OnEvent(Tegra::DebugContext::Event::IncomingPrimitiveBatch, nullptr);
}
// Both instance configuration registers can not be set at the same time.
ASSERT_MSG(!regs.draw.instance_next || !regs.draw.instance_cont,
"Illegal combination of instancing parameters");
const bool is_indexed = mme_draw.current_mode == MMEDrawMode::Indexed;
if (ShouldExecute()) {
rasterizer.DrawMultiBatch(is_indexed);
}
if (debug_context) {
debug_context->OnEvent(Tegra::DebugContext::Event::FinishedPrimitiveBatch, nullptr);
}
// TODO(bunnei): Below, we reset vertex count so that we can use these registers to determine if
// the game is trying to draw indexed or direct mode. This needs to be verified on HW still -
// it's possible that it is incorrect and that there is some other register used to specify the
// drawing mode.
if (is_indexed) {
regs.index_array.count = 0;
} else {
regs.vertex_buffer.count = 0;
}
mme_draw.current_mode = MMEDrawMode::Undefined;
mme_draw.current_count = 0;
mme_draw.instance_count = 0;
mme_draw.instance_mode = false;
mme_draw.gl_begin_consume = false;
mme_draw.gl_end_count = 0;
}
void Maxwell3D::ProcessMacroUpload(u32 data) {
ASSERT_MSG(regs.macros.upload_address < macro_memory.size(),
"upload_address exceeded macro_memory size!");
@ -564,7 +662,9 @@ void Maxwell3D::DrawArrays() {
}
const bool is_indexed{regs.index_array.count && !regs.vertex_buffer.count};
rasterizer.AccelerateDrawBatch(is_indexed);
if (ShouldExecute()) {
rasterizer.DrawBatch(is_indexed);
}
if (debug_context) {
debug_context->OnEvent(Tegra::DebugContext::Event::FinishedPrimitiveBatch, nullptr);

29
src/video_core/engines/maxwell_3d.h
View file

@ -811,8 +811,9 @@ public:
INSERT_PADDING_WORDS(0x21);
u32 vb_element_base;
u32 vb_base_instance;
INSERT_PADDING_WORDS(0x36);
INSERT_PADDING_WORDS(0x35);
union {
BitField<0, 1, u32> c0;
@ -1238,6 +1239,11 @@ public:
/// Write the value to the register identified by method.
void CallMethod(const GPU::MethodCall& method_call);
/// Write the value to the register identified by method.
void CallMethodFromMME(const GPU::MethodCall& method_call);
void FlushMMEInlineDraw();
/// Given a Texture Handle, returns the TSC and TIC entries.
Texture::FullTextureInfo GetTextureInfo(const Texture::TextureHandle tex_handle,
std::size_t offset) const;
@ -1263,6 +1269,21 @@ public:
return execute_on;
}
enum class MMEDrawMode : u32 {
Undefined,
Array,
Indexed,
};
struct MMEDrawState {
MMEDrawMode current_mode{MMEDrawMode::Undefined};
u32 current_count{};
u32 instance_count{};
bool instance_mode{};
bool gl_begin_consume{};
u32 gl_end_count{};
} mme_draw;
private:
void InitializeRegisterDefaults();
@ -1275,6 +1296,8 @@ private:
/// Start offsets of each macro in macro_memory
std::array<u32, 0x80> macro_positions = {};
std::array<bool, Regs::NUM_REGS> mme_inline{};
/// Memory for macro code
MacroMemory macro_memory;
@ -1346,6 +1369,9 @@ private:
/// Handles a write to the VERTEX_END_GL register, triggering a draw.
void DrawArrays();
// Handles a instance drawcall from MME
void StepInstance(MMEDrawMode expected_mode, u32 count);
};
#define ASSERT_REG_POSITION(field_name, position) \
@ -1402,6 +1428,7 @@ ASSERT_REG_POSITION(stencil_front_mask, 0x4E7);
ASSERT_REG_POSITION(frag_color_clamp, 0x4EA);
ASSERT_REG_POSITION(screen_y_control, 0x4EB);
ASSERT_REG_POSITION(vb_element_base, 0x50D);
ASSERT_REG_POSITION(vb_base_instance, 0x50E);
ASSERT_REG_POSITION(clip_distance_enabled, 0x544);
ASSERT_REG_POSITION(point_size, 0x546);
ASSERT_REG_POSITION(zeta_enable, 0x54E);

2
src/video_core/macro_interpreter.cpp
View file

@ -257,7 +257,7 @@ void MacroInterpreter::SetMethodAddress(u32 address) {
}
void MacroInterpreter::Send(u32 value) {
maxwell3d.CallMethod({method_address.address, value});
maxwell3d.CallMethodFromMME({method_address.address, value});
// Increment the method address by the method increment.
method_address.address.Assign(method_address.address.Value() +
method_address.increment.Value());

9
src/video_core/rasterizer_interface.h
View file

@ -29,7 +29,10 @@ public:
virtual ~RasterizerInterface() {}
/// Draw the current batch of vertex arrays
virtual void DrawArrays() = 0;
virtual bool DrawBatch(bool is_indexed) = 0;
/// Draw the current batch of multiple instances of vertex arrays
virtual bool DrawMultiBatch(bool is_indexed) = 0;
/// Clear the current framebuffer
virtual void Clear() = 0;
@ -69,10 +72,6 @@ public:
return false;
}
virtual bool AccelerateDrawBatch(bool is_indexed) {
return false;
}
/// Increase/decrease the number of object in pages touching the specified region
virtual void UpdatePagesCachedCount(VAddr addr, u64 size, int delta) {}

181
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -49,40 +49,6 @@ MICROPROFILE_DEFINE(OpenGL_Blits, "OpenGL", "Blits", MP_RGB(128, 128, 192));
MICROPROFILE_DEFINE(OpenGL_CacheManagement, "OpenGL", "Cache Mgmt", MP_RGB(100, 255, 100));
MICROPROFILE_DEFINE(OpenGL_PrimitiveAssembly, "OpenGL", "Prim Asmbl", MP_RGB(255, 100, 100));
struct DrawParameters {
GLenum primitive_mode;
GLsizei count;
GLint current_instance;
bool use_indexed;
GLint vertex_first;
GLenum index_format;
GLint base_vertex;
GLintptr index_buffer_offset;
void DispatchDraw() const {
if (use_indexed) {
const auto index_buffer_ptr = reinterpret_cast<const void*>(index_buffer_offset);
if (current_instance > 0) {
glDrawElementsInstancedBaseVertexBaseInstance(primitive_mode, count, index_format,
index_buffer_ptr, 1, base_vertex,
current_instance);
} else {
glDrawElementsBaseVertex(primitive_mode, count, index_format, index_buffer_ptr,
base_vertex);
}
} else {
if (current_instance > 0) {
glDrawArraysInstancedBaseInstance(primitive_mode, vertex_first, count, 1,
current_instance);
} else {
glDrawArrays(primitive_mode, vertex_first, count);
}
}
}
};
static std::size_t GetConstBufferSize(const Tegra::Engines::ConstBufferInfo& buffer,
const GLShader::ConstBufferEntry& entry) {
if (!entry.IsIndirect()) {
@ -270,29 +236,6 @@ GLintptr RasterizerOpenGL::SetupIndexBuffer() {
return offset;
}
DrawParameters RasterizerOpenGL::SetupDraw(GLintptr index_buffer_offset) {
const auto& gpu = system.GPU().Maxwell3D();
const auto& regs = gpu.regs;
const bool is_indexed = accelerate_draw == AccelDraw::Indexed;
DrawParameters params{};
params.current_instance = gpu.state.current_instance;
params.use_indexed = is_indexed;
params.primitive_mode = MaxwellToGL::PrimitiveTopology(regs.draw.topology);
if (is_indexed) {
params.index_format = MaxwellToGL::IndexFormat(regs.index_array.format);
params.count = regs.index_array.count;
params.index_buffer_offset = index_buffer_offset;
params.base_vertex = static_cast<GLint>(regs.vb_element_base);
} else {
params.count = regs.vertex_buffer.count;
params.vertex_first = regs.vertex_buffer.first;
}
return params;
}
void RasterizerOpenGL::SetupShaders(GLenum primitive_mode) {
MICROPROFILE_SCOPE(OpenGL_Shader);
auto& gpu = system.GPU().Maxwell3D();
@ -399,12 +342,6 @@ std::size_t RasterizerOpenGL::CalculateIndexBufferSize() const {
static_cast<std::size_t>(regs.index_array.FormatSizeInBytes());
}
bool RasterizerOpenGL::AccelerateDrawBatch(bool is_indexed) {
accelerate_draw = is_indexed ? AccelDraw::Indexed : AccelDraw::Arrays;
DrawArrays();
return true;
}
template <typename Map, typename Interval>
static constexpr auto RangeFromInterval(Map& map, const Interval& interval) {
return boost::make_iterator_range(map.equal_range(interval));
@ -640,17 +577,9 @@ void RasterizerOpenGL::Clear() {
}
}
void RasterizerOpenGL::DrawArrays() {
if (accelerate_draw == AccelDraw::Disabled)
return;
MICROPROFILE_SCOPE(OpenGL_Drawing);
void RasterizerOpenGL::DrawPrelude() {
auto& gpu = system.GPU().Maxwell3D();
if (!gpu.ShouldExecute()) {
return;
}
SyncColorMask();
SyncFragmentColorClampState();
SyncMultiSampleState();
@ -695,10 +624,7 @@ void RasterizerOpenGL::DrawArrays() {
// Upload vertex and index data.
SetupVertexBuffer(vao);
SetupVertexInstances(vao);
const GLintptr index_buffer_offset = SetupIndexBuffer();
// Setup draw parameters. It will automatically choose what glDraw* method to use.
const DrawParameters params = SetupDraw(index_buffer_offset);
index_buffer_offset = SetupIndexBuffer();
// Prepare packed bindings.
bind_ubo_pushbuffer.Setup(0);
@ -706,7 +632,8 @@ void RasterizerOpenGL::DrawArrays() {
// Setup shaders and their used resources.
texture_cache.GuardSamplers(true);
SetupShaders(params.primitive_mode);
const auto primitive_mode = MaxwellToGL::PrimitiveTopology(gpu.regs.draw.topology);
SetupShaders(primitive_mode);
texture_cache.GuardSamplers(false);
ConfigureFramebuffers();
@ -730,11 +657,107 @@ void RasterizerOpenGL::DrawArrays() {
if (texture_cache.TextureBarrier()) {
glTextureBarrier();
}
}
params.DispatchDraw();
struct DrawParams {
bool is_indexed{};
bool is_instanced{};
GLenum primitive_mode{};
GLint count{};
GLint base_vertex{};
// Indexed settings
GLenum index_format{};
GLintptr index_buffer_offset{};
// Instanced setting
GLint num_instances{};
GLint base_instance{};
void DispatchDraw() {
if (is_indexed) {
const auto index_buffer_ptr = reinterpret_cast<const void*>(index_buffer_offset);
if (is_instanced) {
glDrawElementsInstancedBaseVertexBaseInstance(primitive_mode, count, index_format,
index_buffer_ptr, num_instances,
base_vertex, base_instance);
} else {
glDrawElementsBaseVertex(primitive_mode, count, index_format, index_buffer_ptr,
base_vertex);
}
} else {
if (is_instanced) {
glDrawArraysInstancedBaseInstance(primitive_mode, base_vertex, count, num_instances,
base_instance);
} else {
glDrawArrays(primitive_mode, base_vertex, count);
}
}
}
};
bool RasterizerOpenGL::DrawBatch(bool is_indexed) {
accelerate_draw = is_indexed ? AccelDraw::Indexed : AccelDraw::Arrays;
MICROPROFILE_SCOPE(OpenGL_Drawing);
DrawPrelude();
auto& maxwell3d = system.GPU().Maxwell3D();
const auto& regs = maxwell3d.regs;
const auto current_instance = maxwell3d.state.current_instance;
DrawParams draw_call{};
draw_call.is_indexed = is_indexed;
draw_call.num_instances = static_cast<GLint>(1);
draw_call.base_instance = static_cast<GLint>(current_instance);
draw_call.is_instanced = current_instance > 0;
draw_call.primitive_mode = MaxwellToGL::PrimitiveTopology(regs.draw.topology);
if (draw_call.is_indexed) {
draw_call.count = static_cast<GLint>(regs.index_array.count);
draw_call.base_vertex = static_cast<GLint>(regs.vb_element_base);
draw_call.index_format = MaxwellToGL::IndexFormat(regs.index_array.format);
draw_call.index_buffer_offset = index_buffer_offset;
} else {
draw_call.count = static_cast<GLint>(regs.vertex_buffer.count);
draw_call.base_vertex = static_cast<GLint>(regs.vertex_buffer.first);
}
draw_call.DispatchDraw();
maxwell3d.dirty.memory_general = false;
accelerate_draw = AccelDraw::Disabled;
gpu.dirty.memory_general = false;
return true;
}
bool RasterizerOpenGL::DrawMultiBatch(bool is_indexed) {
accelerate_draw = is_indexed ? AccelDraw::Indexed : AccelDraw::Arrays;
MICROPROFILE_SCOPE(OpenGL_Drawing);
DrawPrelude();
auto& maxwell3d = system.GPU().Maxwell3D();
const auto& regs = maxwell3d.regs;
const auto& draw_setup = maxwell3d.mme_draw;
DrawParams draw_call{};
draw_call.is_indexed = is_indexed;
draw_call.num_instances = static_cast<GLint>(draw_setup.instance_count);
draw_call.base_instance = static_cast<GLint>(regs.vb_base_instance);
draw_call.is_instanced = draw_setup.instance_count > 1;
draw_call.primitive_mode = MaxwellToGL::PrimitiveTopology(regs.draw.topology);
if (draw_call.is_indexed) {
draw_call.count = static_cast<GLint>(regs.index_array.count);
draw_call.base_vertex = static_cast<GLint>(regs.vb_element_base);
draw_call.index_format = MaxwellToGL::IndexFormat(regs.index_array.format);
draw_call.index_buffer_offset = index_buffer_offset;
} else {
draw_call.count = static_cast<GLint>(regs.vertex_buffer.count);
draw_call.base_vertex = static_cast<GLint>(regs.vertex_buffer.first);
}
draw_call.DispatchDraw();
maxwell3d.dirty.memory_general = false;
accelerate_draw = AccelDraw::Disabled;
return true;
}
void RasterizerOpenGL::DispatchCompute(GPUVAddr code_addr) {

9
src/video_core/renderer_opengl/gl_rasterizer.h
View file

@ -57,7 +57,8 @@ public:
ScreenInfo& info);
~RasterizerOpenGL() override;
void DrawArrays() override;
bool DrawBatch(bool is_indexed) override;
bool DrawMultiBatch(bool is_indexed) override;
void Clear() override;
void DispatchCompute(GPUVAddr code_addr) override;
void FlushAll() override;
@ -71,7 +72,6 @@ public:
const Tegra::Engines::Fermi2D::Config& copy_config) override;
bool AccelerateDisplay(const Tegra::FramebufferConfig& config, VAddr framebuffer_addr,
u32 pixel_stride) override;
bool AccelerateDrawBatch(bool is_indexed) override;
void UpdatePagesCachedCount(VAddr addr, u64 size, int delta) override;
void LoadDiskResources(const std::atomic_bool& stop_loading,
const VideoCore::DiskResourceLoadCallback& callback) override;
@ -105,6 +105,9 @@ private:
void SetupGlobalMemory(const GLShader::GlobalMemoryEntry& entry, GPUVAddr gpu_addr,
std::size_t size);
/// Syncs all the state, shaders, render targets and textures setting before a draw call.
void DrawPrelude();
/// Configures the current textures to use for the draw command. Returns shaders texture buffer
/// usage.
TextureBufferUsage SetupDrawTextures(Tegra::Engines::Maxwell3D::Regs::ShaderStage stage,
@ -216,7 +219,7 @@ private:
GLintptr SetupIndexBuffer();
DrawParameters SetupDraw(GLintptr index_buffer_offset);
GLintptr index_buffer_offset;
void SetupShaders(GLenum primitive_mode);

10
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View file

@ -462,6 +462,14 @@ private:
code.AddLine("float gl_PointSize;");
}
if (ir.UsesInstanceId()) {
code.AddLine("int gl_InstanceID;");
}
if (ir.UsesVertexId()) {
code.AddLine("int gl_VertexID;");
}
--code.scope;
code.AddLine("}};");
code.AddNewLine();
@ -964,7 +972,7 @@ private:
switch (element) {
case 2:
// Config pack's first value is instance_id.
return {"config_pack[0]", Type::Uint};
return {"gl_InstanceID", Type::Int};
case 3:
return {"gl_VertexID", Type::Int};
}

12
src/video_core/shader/shader_ir.cpp
View file

@ -114,6 +114,18 @@ Node ShaderIR::GetOutputAttribute(Attribute::Index index, u64 element, Node buff
break;
}
}
if (index == Attribute::Index::TessCoordInstanceIDVertexID) {
switch (element) {
case 2:
uses_instance_id = true;
break;
case 3:
uses_vertex_id = true;
break;
default:
break;
}
}
if (index == Attribute::Index::ClipDistances0123 ||
index == Attribute::Index::ClipDistances4567) {
const auto clip_index =

10
src/video_core/shader/shader_ir.h
View file

@ -124,6 +124,14 @@ public:
return uses_point_size;
}
bool UsesInstanceId() const {
return uses_instance_id;
}
bool UsesVertexId() const {
return uses_vertex_id;
}
bool HasPhysicalAttributes() const {
return uses_physical_attributes;
}
@ -373,6 +381,8 @@ private:
bool uses_viewport_index{};
bool uses_point_size{};
bool uses_physical_attributes{}; // Shader uses AL2P or physical attribute read/writes
bool uses_instance_id{};
bool uses_vertex_id{};
Tegra::Shader::Header header;
};