eden-emu
/
eden
mirror of https://git.eden-emu.dev/eden-emu/eden.git
1
0
Fork 0
Code Releases Wiki Activity
Browse Source

Merge pull request #3362 from ReinUsesLisp/fix-instanced 

gl_rasterizer: Fix instanced draw arrays
pull/15/merge
bunnei 6 years ago
committed by GitHub
parent
1b01c3036d b69321650e
commit
09d766d357
No known key found for this signature in database GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 28 additions and 106 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 127
      src/video_core/renderer_opengl/gl_rasterizer.cpp
  2. 7
      src/video_core/renderer_opengl/gl_rasterizer.h

127
src/video_core/renderer_opengl/gl_rasterizer.cpp
View File

@ -248,9 +248,6 @@ void RasterizerOpenGL::SetupVertexInstances(GLuint vao) {
}
GLintptr RasterizerOpenGL::SetupIndexBuffer() {
if (accelerate_draw != AccelDraw::Indexed) {
return 0;
}
MICROPROFILE_SCOPE(OpenGL_Index);
const auto& regs = system.GPU().Maxwell3D().regs;
const std::size_t size = CalculateIndexBufferSize();
@ -546,7 +543,8 @@ void RasterizerOpenGL::Clear() {
}
}
void RasterizerOpenGL::DrawPrelude() {
void RasterizerOpenGL::Draw(bool is_indexed, bool is_instanced) {
MICROPROFILE_SCOPE(OpenGL_Drawing);
auto& gpu = system.GPU().Maxwell3D();
SyncRasterizeEnable(state);
@ -567,9 +565,6 @@ void RasterizerOpenGL::DrawPrelude() {
buffer_cache.Acquire();
// Draw the vertex batch
const bool is_indexed = accelerate_draw == AccelDraw::Indexed;
std::size_t buffer_size = CalculateVertexArraysSize();
// Add space for index buffer
@ -596,7 +591,11 @@ void RasterizerOpenGL::DrawPrelude() {
// Upload vertex and index data.
SetupVertexBuffer(vao);
SetupVertexInstances(vao);
index_buffer_offset = SetupIndexBuffer();
GLintptr index_buffer_offset;
if (is_indexed) {
index_buffer_offset = SetupIndexBuffer();
}
// Prepare packed bindings.
bind_ubo_pushbuffer.Setup();
@ -630,6 +629,7 @@ void RasterizerOpenGL::DrawPrelude() {
// As all cached buffers are invalidated, we need to recheck their state.
gpu.dirty.ResetVertexArrays();
}
gpu.dirty.memory_general = false;
shader_program_manager->ApplyTo(state);
state.Apply();
@ -637,106 +637,33 @@ void RasterizerOpenGL::DrawPrelude() {
if (texture_cache.TextureBarrier()) {
glTextureBarrier();
}
}
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;
const GLuint base_instance = static_cast<GLuint>(gpu.regs.vb_base_instance);
const GLsizei num_instances =
static_cast<GLsizei>(is_instanced ? gpu.mme_draw.instance_count : 1);
if (is_indexed) {
const GLenum index_format = MaxwellToGL::IndexFormat(gpu.regs.index_array.format);
const GLint base_vertex = static_cast<GLint>(gpu.regs.vb_element_base);
const GLsizei num_vertices = static_cast<GLsizei>(gpu.regs.index_array.count);
glDrawElementsInstancedBaseVertexBaseInstance(
primitive_mode, num_vertices, index_format,
reinterpret_cast<const void*>(index_buffer_offset), num_instances, base_vertex,
base_instance);
} else {
draw_call.count = static_cast<GLint>(regs.vertex_buffer.count);
draw_call.base_vertex = static_cast<GLint>(regs.vertex_buffer.first);
const GLint base_vertex = static_cast<GLint>(gpu.regs.vertex_buffer.first);
const GLsizei num_vertices = static_cast<GLsizei>(gpu.regs.vertex_buffer.count);
glDrawArraysInstancedBaseInstance(primitive_mode, base_vertex, num_vertices, num_instances,
base_instance);
}
draw_call.DispatchDraw();
}
maxwell3d.dirty.memory_general = false;
accelerate_draw = AccelDraw::Disabled;
bool RasterizerOpenGL::DrawBatch(bool is_indexed) {
Draw(is_indexed, 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;
Draw(is_indexed, true);
return true;
}

7
src/video_core/renderer_opengl/gl_rasterizer.h
View File

@ -103,7 +103,7 @@ private:
std::size_t size);
/// Syncs all the state, shaders, render targets and textures setting before a draw call.
void DrawPrelude();
void Draw(bool is_indexed, bool is_instanced);
/// Configures the current textures to use for the draw command.
void SetupDrawTextures(std::size_t stage_index, const Shader& shader);
@ -220,12 +220,7 @@ private:
GLintptr SetupIndexBuffer();
GLintptr index_buffer_offset;
void SetupShaders(GLenum primitive_mode);
enum class AccelDraw { Disabled, Arrays, Indexed };
AccelDraw accelerate_draw = AccelDraw::Disabled;
};
} // namespace OpenGL
Write Preview
Loading…
Cancel
Save