diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index c428f06e4a..52e5d20051 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -244,9 +244,6 @@ 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();
@@ -542,7 +539,8 @@ 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);
@@ -563,9 +561,6 @@ 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
@@ -592,7 +587,11 @@ 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();
@@ -626,6 +625,7 @@ 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();
@@ -633,106 +633,33 @@ void RasterizerOpenGL::DrawPrelude() {
if (texture_cache.TextureBarrier()) {
glTextureBarrier();
}
+
+ 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 {
+ 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);
+ }
}
-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;
+ 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;
}
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h
index 6a27cf4972..0501f38289 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.h
+++ b/src/video_core/renderer_opengl/gl_rasterizer.h
@@ -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