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Rasterizer: Refactor draw calls, remove deadcode and clean up.

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This commit is contained in:
Fernando Sahmkow 2019-09-18 07:51:05 -04:00 committed by FernandoS27
parent 7606da5611
commit c17655ce74
3 changed files with 68 additions and 106 deletions
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2
src/video_core/rasterizer_interface.h
View file

@ -31,7 +31,7 @@ public:
/// Draw the current batch of vertex arrays
virtual void DrawArrays() = 0;
/// Draw the current batch of vertex arrays
/// Draw the current batch of multiple instasnces of vertex arrays
virtual void DrawMultiArrays() = 0;
/// Clear the current framebuffer

169
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();
@ -784,36 +727,65 @@ void RasterizerOpenGL::DrawPrelude() {
}
}
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);
}
}
}
};
void RasterizerOpenGL::DrawArrays() {
DrawPrelude();
auto& maxwell3d = system.GPU().Maxwell3D();
const auto& regs = maxwell3d.regs;
const auto current_instance = maxwell3d.state.current_instance;
const auto primitive_mode = MaxwellToGL::PrimitiveTopology(regs.draw.topology);
if (accelerate_draw == AccelDraw::Indexed) {
const auto index_format = MaxwellToGL::IndexFormat(regs.index_array.format);
const auto count = regs.index_array.count;
const auto base_vertex = static_cast<GLint>(regs.vb_element_base);
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);
}
DrawParams draw_call;
draw_call.is_indexed = accelerate_draw == AccelDraw::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 {
const auto count = regs.vertex_buffer.count;
const auto vertex_first = regs.vertex_buffer.first;
if (current_instance > 0) {
glDrawArraysInstancedBaseInstance(primitive_mode, vertex_first, count, 1,
current_instance);
} else {
glDrawArrays(primitive_mode, vertex_first, count);
}
draw_call.count = static_cast<GLint>(regs.vertex_buffer.count);
draw_call.base_vertex = static_cast<GLint>(regs.vertex_buffer.first);
}
draw_call.DispatchDraw();
accelerate_draw = AccelDraw::Disabled;
maxwell3d.dirty.memory_general = false;
@ -825,32 +797,23 @@ void RasterizerOpenGL::DrawMultiArrays() {
auto& maxwell3d = system.GPU().Maxwell3D();
const auto& regs = maxwell3d.regs;
const auto& draw_setup = maxwell3d.mme_draw;
const auto num_instances = draw_setup.instance_count;
const auto base_instance = static_cast<GLint>(regs.vb_base_instance);
const auto primitive_mode = MaxwellToGL::PrimitiveTopology(regs.draw.topology);
if (draw_setup.current_mode == Tegra::Engines::Maxwell3D::MMMEDrawMode::Indexed) {
const auto index_format = MaxwellToGL::IndexFormat(regs.index_array.format);
const auto count = regs.index_array.count;
const auto base_vertex = static_cast<GLint>(regs.vb_element_base);
const auto index_buffer_ptr = reinterpret_cast<const void*>(index_buffer_offset);
if (num_instances > 1) {
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);
}
DrawParams draw_call;
draw_call.is_indexed =
draw_setup.current_mode == Tegra::Engines::Maxwell3D::MMMEDrawMode::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 {
const auto count = regs.vertex_buffer.count;
const auto vertex_first = regs.vertex_buffer.first;
if (num_instances > 1) {
glDrawArraysInstancedBaseInstance(primitive_mode, vertex_first, count, num_instances,
base_instance);
} else {
glDrawArrays(primitive_mode, vertex_first, count);
}
draw_call.count = static_cast<GLint>(regs.vertex_buffer.count);
draw_call.base_vertex = static_cast<GLint>(regs.vertex_buffer.first);
}
draw_call.DispatchDraw();
accelerate_draw = AccelDraw::Disabled;
maxwell3d.dirty.memory_general = false;

3
src/video_core/renderer_opengl/gl_rasterizer.h
View file

@ -138,6 +138,7 @@ 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
@ -254,8 +255,6 @@ private:
GLintptr SetupIndexBuffer();
DrawParameters SetupDraw(GLintptr index_buffer_offset);
GLintptr index_buffer_offset;
void SetupShaders(GLenum primitive_mode);