Merge pull request #9401 from vonchenplus/draw_manager

video_core: Implement maxwell3d draw manager and split draw logic

2 files changed, 13 insertions, 9 deletions

diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp
index f71a316b6..64ed6f628 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp
@@ -224,16 +224,18 @@ void RasterizerOpenGL::Draw(bool is_indexed, u32 instance_count) {
 
     SyncState();
 
-    const GLenum primitive_mode = MaxwellToGL::PrimitiveTopology(maxwell3d->regs.draw.topology);
+    const auto& draw_state = maxwell3d->draw_manager->GetDrawState();
+
+    const GLenum primitive_mode = MaxwellToGL::PrimitiveTopology(draw_state.topology);
     BeginTransformFeedback(pipeline, primitive_mode);
 
-    const GLuint base_instance = static_cast<GLuint>(maxwell3d->regs.global_base_instance_index);
+    const GLuint base_instance = static_cast<GLuint>(draw_state.base_instance);
     const GLsizei num_instances = static_cast<GLsizei>(instance_count);
     if (is_indexed) {
-        const GLint base_vertex = static_cast<GLint>(maxwell3d->regs.global_base_vertex_index);
-        const GLsizei num_vertices = static_cast<GLsizei>(maxwell3d->regs.index_buffer.count);
+        const GLint base_vertex = static_cast<GLint>(draw_state.base_index);
+        const GLsizei num_vertices = static_cast<GLsizei>(draw_state.index_buffer.count);
         const GLvoid* const offset = buffer_cache_runtime.IndexOffset();
-        const GLenum format = MaxwellToGL::IndexFormat(maxwell3d->regs.index_buffer.format);
+        const GLenum format = MaxwellToGL::IndexFormat(draw_state.index_buffer.format);
         if (num_instances == 1 && base_instance == 0 && base_vertex == 0) {
             glDrawElements(primitive_mode, num_vertices, format, offset);
         } else if (num_instances == 1 && base_instance == 0) {
@@ -252,8 +254,8 @@ void RasterizerOpenGL::Draw(bool is_indexed, u32 instance_count) {
                                                           base_instance);
         }
     } else {
-        const GLint base_vertex = static_cast<GLint>(maxwell3d->regs.vertex_buffer.first);
-        const GLsizei num_vertices = static_cast<GLsizei>(maxwell3d->regs.vertex_buffer.count);
+        const GLint base_vertex = static_cast<GLint>(draw_state.vertex_buffer.first);
+        const GLsizei num_vertices = static_cast<GLsizei>(draw_state.vertex_buffer.count);
         if (num_instances == 1 && base_instance == 0) {
             glDrawArrays(primitive_mode, base_vertex, num_vertices);
         } else if (base_instance == 0) {
diff --git a/src/video_core/renderer_opengl/gl_shader_cache.cpp b/src/video_core/renderer_opengl/gl_shader_cache.cpp
index a38060100..a59d0d24e 100644
--- a/src/video_core/renderer_opengl/gl_shader_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_cache.cpp
@@ -22,6 +22,7 @@
 #include "shader_recompiler/frontend/maxwell/control_flow.h"
 #include "shader_recompiler/frontend/maxwell/translate_program.h"
 #include "shader_recompiler/profile.h"
+#include "video_core/engines/draw_manager.h"
 #include "video_core/engines/kepler_compute.h"
 #include "video_core/engines/maxwell_3d.h"
 #include "video_core/memory_manager.h"
@@ -327,7 +328,7 @@ GraphicsPipeline* ShaderCache::CurrentGraphicsPipeline() {
     const auto& regs{maxwell3d->regs};
     graphics_key.raw = 0;
     graphics_key.early_z.Assign(regs.mandated_early_z != 0 ? 1 : 0);
-    graphics_key.gs_input_topology.Assign(regs.draw.topology.Value());
+    graphics_key.gs_input_topology.Assign(maxwell3d->draw_manager->GetDrawState().topology);
     graphics_key.tessellation_primitive.Assign(regs.tessellation.params.domain_type.Value());
     graphics_key.tessellation_spacing.Assign(regs.tessellation.params.spacing.Value());
     graphics_key.tessellation_clockwise.Assign(
@@ -371,7 +372,8 @@ GraphicsPipeline* ShaderCache::BuiltPipeline(GraphicsPipeline* pipeline) const n
     // If games are using a small index count, we can assume these are full screen quads.
     // Usually these shaders are only used once for building textures so we can assume they
     // can't be built async
-    if (maxwell3d->regs.index_buffer.count <= 6 || maxwell3d->regs.vertex_buffer.count <= 6) {
+    const auto& draw_state = maxwell3d->draw_manager->GetDrawState();
+    if (draw_state.index_buffer.count <= 6 || draw_state.vertex_buffer.count <= 6) {
         return pipeline;
     }
     return nullptr;