8 files changed, 567 insertions, 0 deletions

diff --git a/src/video_core/CMakeLists.txt b/src/video_core/CMakeLists.txt
new file mode 100644
index 000000000..3f486b8fe
--- /dev/null
+++ b/src/video_core/CMakeLists.txt
@@ -0,0 +1,19 @@
+set(SRCS
+            src/bp_mem.cpp
+            src/cp_mem.cpp
+            src/xf_mem.cpp
+            src/fifo.cpp
+            src/fifo_player.cpp
+            src/vertex_loader.cpp
+            src/vertex_manager.cpp
+            src/video_core.cpp
+            src/shader_manager.cpp
+            src/texture_decoder.cpp
+            src/texture_manager.cpp
+            src/utils.cpp
+            src/renderer_gl3/renderer_gl3.cpp
+            src/renderer_gl3/shader_interface.cpp
+            src/renderer_gl3/texture_interface.cpp
+            src/renderer_gl3/uniform_manager.cpp)
+
+add_library(video_core STATIC ${SRCS})
diff --git a/src/video_core/src/renderer_base.h b/src/video_core/src/renderer_base.h
new file mode 100644
index 000000000..9cd02e0b4
--- /dev/null
+++ b/src/video_core/src/renderer_base.h
@@ -0,0 +1,116 @@
+/**
+ * Copyright (C) 2014 Citra Emulator
+ *
+ * @file    renderer_base.h
+ * @author  bunnei
+ * @date    2014-04-05
+ * @brief   Renderer base class for new video core
+ *
+ * @section LICENSE
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details at
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Official project repository can be found at:
+ * http://code.google.com/p/gekko-gc-emu/
+ */
+
+#pragma once
+
+#include "common.h"
+#include "hash.h"
+
+class RendererBase {
+public:
+
+    /// Used to reference a framebuffer
+    enum kFramebuffer {
+        kFramebuffer_VirtualXFB = 0,
+        kFramebuffer_EFB,
+        kFramebuffer_Texture
+    };
+
+    /// Used for referencing the render modes
+    enum kRenderMode {
+        kRenderMode_None = 0,
+        kRenderMode_Multipass = 1,
+        kRenderMode_ZComp = 2,
+        kRenderMode_UseDstAlpha = 4
+    };
+
+    RendererBase() : current_fps_(0), current_frame_(0) {
+    }
+
+    ~RendererBase() {
+    }
+
+    /** 
+     * Blits the EFB to the external framebuffer (XFB)
+     * @param src_rect Source rectangle in EFB to copy
+     * @param dst_rect Destination rectangle in EFB to copy to
+     * @param dest_height Destination height in pixels
+     */
+    virtual void CopyToXFB(const Rect& src_rect, const Rect& dst_rect) = 0;
+
+    /**
+     * Clear the screen
+     * @param rect Screen rectangle to clear
+     * @param enable_color Enable color clearing
+     * @param enable_alpha Enable alpha clearing
+     * @param enable_z Enable depth clearing
+     * @param color Clear color
+     * @param z Clear depth
+     */
+    virtual void Clear(const Rect& rect, bool enable_color, bool enable_alpha, bool enable_z, 
+        u32 color, u32 z) = 0;
+
+    /**
+     * Set a specific render mode
+     * @param flag Render flags mode to enable
+     */
+    virtual void SetMode(kRenderMode flags) = 0;
+
+    /// Reset the full renderer API to the NULL state
+    virtual void ResetRenderState() = 0;
+
+    /// Restore the full renderer API state - As the game set it
+    virtual void RestoreRenderState() = 0;
+
+    /** 
+     * Set the emulator window to use for renderer
+     * @param window EmuWindow handle to emulator window to use for rendering
+     */
+    virtual void SetWindow(EmuWindow* window) = 0;
+
+    /// Initialize the renderer
+    virtual void Init() = 0;
+
+    /// Shutdown the renderer
+    virtual void ShutDown() = 0;
+
+    /// Converts EFB rectangle coordinates to renderer rectangle coordinates
+    //static Rect EFBToRendererRect(const Rect& rect) {
+	   // return Rect(rect.x0_, kGCEFBHeight - rect.y0_, rect.x1_, kGCEFBHeight - rect.y1_);
+    //}
+
+    // Getter/setter functions:
+    // ------------------------
+
+    f32 current_fps() const { return current_fps_; }
+
+    int current_frame() const { return current_frame_; }
+
+protected:
+    f32 current_fps_;                       ///< Current framerate, should be set by the renderer
+    int current_frame_;                     ///< Current frame, should be set by the renderer
+
+private:
+    DISALLOW_COPY_AND_ASSIGN(RendererBase);
+};
diff --git a/src/video_core/src/utils.cpp b/src/video_core/src/utils.cpp
new file mode 100644
index 000000000..a5e702f67
--- /dev/null
+++ b/src/video_core/src/utils.cpp
@@ -0,0 +1,66 @@
+/**
+ * Copyright (C) 2005-2012 Gekko Emulator
+ *
+ * @file    utils.cpp
+ * @author  ShizZy <shizzy247@gmail.com>
+ * @date    2012-12-28
+ * @brief   Utility functions (in general, not related to emulation) useful for video core
+ *
+ * @section LICENSE
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details at
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Official project repository can be found at:
+ * http://code.google.com/p/gekko-gc-emu/
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "utils.h"
+
+namespace VideoCore {
+
+/**
+ * Dumps a texture to TGA
+ * @param filename String filename to dump texture to
+ * @param width Width of texture in pixels
+ * @param height Height of texture in pixels
+ * @param raw_data Raw RGBA8 texture data to dump
+ * @todo This should be moved to some general purpose/common code
+ */
+void DumpTGA(std::string filename, int width, int height, u8* raw_data) {
+    TGAHeader hdr;
+    FILE* fout;
+    u8 r, g, b;
+
+    memset(&hdr, 0, sizeof(hdr));
+    hdr.datatypecode = 2; // uncompressed RGB
+    hdr.bitsperpixel = 24; // 24 bpp
+    hdr.width = width;
+    hdr.height = height;
+
+    fout = fopen(filename.c_str(), "wb");
+    fwrite(&hdr, sizeof(TGAHeader), 1, fout);
+    for (int i = 0; i < height; i++) {
+        for (int j = 0; j < width; j++) {
+            r = raw_data[(4 * (i * width)) + (4 * j) + 0];
+            g = raw_data[(4 * (i * width)) + (4 * j) + 1];
+            b = raw_data[(4 * (i * width)) + (4 * j) + 2];
+            putc(b, fout);
+            putc(g, fout);
+            putc(r, fout);
+        }
+    }
+    fclose(fout);
+}
+
+} // namespace
diff --git a/src/video_core/src/utils.h b/src/video_core/src/utils.h
new file mode 100644
index 000000000..2d7fa4a3a
--- /dev/null
+++ b/src/video_core/src/utils.h
@@ -0,0 +1,83 @@
+/**
+ * Copyright (C) 2005-2012 Gekko Emulator
+ *
+ * @file    utils.h
+ * @author  ShizZy <shizzy247@gmail.com>
+ * @date    2012-12-28
+ * @brief   Utility functions (in general, not related to emulation) useful for video core
+ *
+ * @section LICENSE
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details at
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Official project repository can be found at:
+ * http://code.google.com/p/gekko-gc-emu/
+ */
+
+#pragma once
+
+#include "common_types.h"
+#include <string>
+
+namespace FormatPrecision {
+
+/// Adjust RGBA8 color with RGBA6 precision
+static inline u32 rgba8_with_rgba6(u32 src) {
+	u32 color = src;
+	color &= 0xFCFCFCFC;
+	color |= (color >> 6) & 0x03030303;
+	return color;
+}
+
+/// Adjust RGBA8 color with RGB565 precision
+static inline u32 rgba8_with_rgb565(u32 src) {
+	u32 color = (src & 0xF8FCF8);
+	color |= (color >> 5) & 0x070007;
+	color |= (color >> 6) & 0x000300;
+	color |= 0xFF000000;
+	return color;
+}
+
+/// Adjust Z24 depth value with Z16 precision
+static inline u32 z24_with_z16(u32 src) {
+	return (src & 0xFFFF00) | (src >> 16);
+}
+
+} // namespace
+
+namespace VideoCore {
+
+/// Structure for the TGA texture format (for dumping)
+struct TGAHeader {
+    char  idlength;
+    char  colourmaptype;
+    char  datatypecode;
+    short int colourmaporigin;
+    short int colourmaplength;
+    short int x_origin;
+    short int y_origin;
+    short width;
+    short height;
+    char  bitsperpixel;
+    char  imagedescriptor;
+};
+
+/**
+ * Dumps a texture to TGA
+ * @param filename String filename to dump texture to
+ * @param width Width of texture in pixels
+ * @param height Height of texture in pixels
+ * @param raw_data Raw RGBA8 texture data to dump
+ * @todo This should be moved to some general purpose/common code
+ */
+void DumpTGA(std::string filename, int width, int height, u8* raw_data);
+
+} // namespace
diff --git a/src/video_core/src/video_core.cpp b/src/video_core/src/video_core.cpp
new file mode 100644
index 000000000..8ad45c912
--- /dev/null
+++ b/src/video_core/src/video_core.cpp
@@ -0,0 +1,91 @@
+/**
+ * Copyright (C) 2014 Citra Emulator
+ *
+ * @file    video_core.cpp
+ * @author  bunnei
+ * @date    2014-04-05
+ * @brief   Main module for new video core
+ *
+ * @section LICENSE
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details at
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Official project repository can be found at:
+ * http://code.google.com/p/gekko-gc-emu/
+ */
+
+#include "common.h"
+#include "emu_window.h"
+#include "log.h"
+
+#include "core.h"
+#include "video_core.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Video Core namespace
+
+namespace VideoCore {
+
+EmuWindow*      g_emu_window    = NULL;     ///< Frontend emulator window
+RendererBase*   g_renderer      = NULL;     ///< Renderer plugin
+int             g_current_frame = 0;
+
+int VideoEntry(void*) {
+    if (g_emu_window == NULL) {
+        ERROR_LOG(VIDEO, "VideoCore::VideoEntry called without calling Init()!");
+    }
+    g_emu_window->MakeCurrent();
+    //for(;;) {
+    //    gp::Fifo_DecodeCommand();
+    //}
+    return 0;
+}
+
+/// Start the video core
+void Start() {
+    if (g_emu_window == NULL) {
+        ERROR_LOG(VIDEO, "VideoCore::Start called without calling Init()!");
+    }
+    //if (common::g_config->enable_multicore()) {
+    //    g_emu_window->DoneCurrent();
+    //    g_video_thread = SDL_CreateThread(VideoEntry, NULL, NULL);
+    //    if (g_video_thread == NULL) {
+    //        LOG_ERROR(TVIDEO, "Unable to create thread: %s... Exiting\n", SDL_GetError());
+    //        exit(1);
+    //    }
+    //}
+}
+
+/// Initialize the video core
+void Init(EmuWindow* emu_window) {
+    g_emu_window = emu_window;
+    //g_renderer = new RendererGL3();
+    //g_renderer->SetWindow(g_emu_window);
+    //g_renderer->Init();
+
+    //gp::Fifo_Init();
+    //gp::VertexManager_Init();
+    //gp::VertexLoader_Init();
+    //gp::BP_Init();
+    //gp::CP_Init();
+    //gp::XF_Init();
+
+    g_current_frame = 0;
+
+    NOTICE_LOG(VIDEO, "initialized ok");
+}
+
+/// Shutdown the video core
+void Shutdown() {
+    //delete g_renderer;
+}
+
+} // namespace
diff --git a/src/video_core/src/video_core.h b/src/video_core/src/video_core.h
new file mode 100644
index 000000000..9b80d7715
--- /dev/null
+++ b/src/video_core/src/video_core.h
@@ -0,0 +1,48 @@
+/*!
+ * Copyright (C) 2014 Citra Emulator
+ *
+ * @file    video_core.h
+ * @author  bunnei
+ * @date    2014-04-05
+ * @brief   Main module for new video core
+ *
+ * @section LICENSE
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details at
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Official project repository can be found at:
+ * http://code.google.com/p/gekko-gc-emu/
+ */
+
+#pragma once
+
+#include "common.h"
+#include "emu_window.h"
+#include "renderer_base.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Video Core namespace
+
+namespace VideoCore {
+
+extern RendererBase*   g_renderer;          ///< Renderer plugin
+extern int             g_current_frame;     ///< Current frame
+
+/// Start the video core
+void Start();
+
+/// Initialize the video core
+void Init(EmuWindow* emu_window);
+
+/// Shutdown the video core
+void ShutDown();
+
+} // namespace
diff --git a/src/video_core/video_core.vcxproj b/src/video_core/video_core.vcxproj
new file mode 100644
index 000000000..4a1429745
--- /dev/null
+++ b/src/video_core/video_core.vcxproj
@@ -0,0 +1,129 @@
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+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
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+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
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+    <ProjectConfiguration Include="Release|x64">
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+    <Import Project="..\..\vsprops\code_generation_release.props" />
+    <Import Project="..\..\vsprops\optimization_release.props" />
+    <Import Project="..\..\vsprops\externals.props" />
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+  <PropertyGroup Label="UserMacros" />
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\ No newline at end of file
diff --git a/src/video_core/video_core.vcxproj.filters b/src/video_core/video_core.vcxproj.filters
new file mode 100644
index 000000000..2a84b7edf
--- /dev/null
+++ b/src/video_core/video_core.vcxproj.filters
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <ClCompile Include="src\video_core.cpp" />
+    <ClCompile Include="src\utils.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="src\renderer_base.h" />
+    <ClInclude Include="src\video_core.h" />
+    <ClInclude Include="src\utils.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <Text Include="CMakeLists.txt" />
+  </ItemGroup>
+</Project>
\ No newline at end of file