Merge pull request #2675 from ReinUsesLisp/opengl-buffer-cache

buffer_cache: Implement a generic buffer cache and its OpenGL backend

1 files changed, 35 insertions, 6 deletions

diff --git a/src/video_core/renderer_opengl/utils.h b/src/video_core/renderer_opengl/utils.h
index 4a752f3b4..6c2b45546 100644
--- a/src/video_core/renderer_opengl/utils.h
+++ b/src/video_core/renderer_opengl/utils.h
@@ -11,20 +11,49 @@
 
 namespace OpenGL {
 
-class BindBuffersRangePushBuffer {
+class VertexArrayPushBuffer final {
 public:
-    BindBuffersRangePushBuffer(GLenum target);
+    explicit VertexArrayPushBuffer();
+    ~VertexArrayPushBuffer();
+
+    void Setup(GLuint vao_);
+
+    void SetIndexBuffer(const GLuint* buffer);
+
+    void SetVertexBuffer(GLuint binding_index, const GLuint* buffer, GLintptr offset,
+                         GLsizei stride);
+
+    void Bind();
+
+private:
+    struct Entry {
+        GLuint binding_index{};
+        const GLuint* buffer{};
+        GLintptr offset{};
+        GLsizei stride{};
+    };
+
+    GLuint vao{};
+    const GLuint* index_buffer{};
+    std::vector<Entry> vertex_buffers;
+};
+
+class BindBuffersRangePushBuffer final {
+public:
+    explicit BindBuffersRangePushBuffer(GLenum target);
     ~BindBuffersRangePushBuffer();
 
     void Setup(GLuint first_);
 
-    void Push(GLuint buffer, GLintptr offset, GLsizeiptr size);
+    void Push(const GLuint* buffer, GLintptr offset, GLsizeiptr size);
 
-    void Bind() const;
+    void Bind();
 
 private:
-    GLenum target;
-    GLuint first;
+    GLenum target{};
+    GLuint first{};
+    std::vector<const GLuint*> buffer_pointers;
+
     std::vector<GLuint> buffers;
     std::vector<GLintptr> offsets;
     std::vector<GLsizeiptr> sizes;