From 05dc633a8c35221ce8d6abe6ddf027f8b0bab6c2 Mon Sep 17 00:00:00 2001
From: tfarley <tfarleygithub@gmail.com>
Date: Mon, 18 May 2015 21:21:33 -0700
Subject: OpenGL renderer

---
 src/video_core/renderer_opengl/gl_state.h | 70 +++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 src/video_core/renderer_opengl/gl_state.h

(limited to 'src/video_core/renderer_opengl/gl_state.h')

diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h
new file mode 100644
index 00000000..a56d3137
--- /dev/null
+++ b/src/video_core/renderer_opengl/gl_state.h
@@ -0,0 +1,70 @@
+// Copyright 2015 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include "generated/gl_3_2_core.h"
+
+class OpenGLState {
+public:
+    struct {
+        bool enabled; // GL_CULL_FACE
+        GLenum mode; // GL_CULL_FACE_MODE
+    } cull;
+
+    struct {
+        bool test_enabled; // GL_DEPTH_TEST
+        GLenum test_func; // GL_DEPTH_FUNC
+        GLboolean write_mask; // GL_DEPTH_WRITEMASK
+    } depth;
+
+    struct {
+        bool test_enabled; // GL_STENCIL_TEST
+        GLenum test_func; // GL_STENCIL_FUNC
+        GLint test_ref; // GL_STENCIL_REF
+        GLuint test_mask; // GL_STENCIL_VALUE_MASK
+        GLuint write_mask; // GL_STENCIL_WRITEMASK
+    } stencil;
+
+    struct {
+        bool enabled; // GL_BLEND
+        GLenum src_rgb_func; // GL_BLEND_SRC_RGB
+        GLenum dst_rgb_func; // GL_BLEND_DST_RGB
+        GLenum src_a_func; // GL_BLEND_SRC_ALPHA
+        GLenum dst_a_func; // GL_BLEND_DST_ALPHA
+
+        struct {
+            GLclampf red;
+            GLclampf green;
+            GLclampf blue;
+            GLclampf alpha;
+        } color; // GL_BLEND_COLOR
+    } blend;
+
+    // 3 texture units - one for each that is used in PICA fragment shader emulation
+    struct {
+        bool enabled_2d; // GL_TEXTURE_2D
+        GLuint texture_2d; // GL_TEXTURE_BINDING_2D
+    } texture_units[3];
+
+    struct {
+        GLuint framebuffer; // GL_DRAW_FRAMEBUFFER_BINDING
+        GLuint vertex_array; // GL_VERTEX_ARRAY_BINDING
+        GLuint vertex_buffer; // GL_ARRAY_BUFFER_BINDING
+        GLuint shader_program; // GL_CURRENT_PROGRAM
+    } draw;
+
+    OpenGLState();
+
+    /// Get the currently active OpenGL state
+    static const OpenGLState& GetCurState() {
+        return cur_state;
+    }
+    
+    /// Apply this state as the current OpenGL state
+    const void Apply();
+
+private:
+    static OpenGLState cur_state;
+};
-- 
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