Adds new functions to support load*Data for DX11-supported formats

TRAC #22294

Author: Shannon Woods
Signed-off-by: Geoff Lang
Signed-off-by: Nicolas Capens

git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1617 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/libGLESv2/renderer/Image.cpp b/src/libGLESv2/renderer/Image.cpp
index 1792837..e84eff5 100644
--- a/src/libGLESv2/renderer/Image.cpp
+++ b/src/libGLESv2/renderer/Image.cpp
@@ -241,6 +241,26 @@
     }
 }
 
+void Image::loadRGBUByteDataToRGBA(GLsizei width, GLsizei height,
+                                   int inputPitch, const void *input, size_t outputPitch, void *output)
+{
+    const unsigned char *source = NULL;
+    unsigned char *dest = NULL;
+
+    for (int y = 0; y < height; y++)
+    {
+        source = static_cast<const unsigned char*>(input) + y * inputPitch;
+        dest = static_cast<unsigned char*>(output) + y * outputPitch;
+        for (int x = 0; x < width; x++)
+        {
+            dest[4 * x + 0] = source[x * 3 + 0];
+            dest[4 * x + 1] = source[x * 3 + 1];
+            dest[4 * x + 2] = source[x * 3 + 2];
+            dest[4 * x + 3] = 0xFF;
+        }
+    }
+}
+
 void Image::loadRGB565DataToBGRA(GLsizei width, GLsizei height,
                                  int inputPitch, const void *input, size_t outputPitch, void *output)
 {
@@ -262,6 +282,27 @@
     }
 }
 
+void Image::loadRGB565DataToRGBA(GLsizei width, GLsizei height,
+                                 int inputPitch, const void *input, size_t outputPitch, void *output)
+{
+    const unsigned short *source = NULL;
+    unsigned char *dest = NULL;
+
+    for (int y = 0; y < height; y++)
+    {
+        source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+        dest = static_cast<unsigned char*>(output) + y * outputPitch;
+        for (int x = 0; x < width; x++)
+        {
+            unsigned short rgba = source[x];
+            dest[4 * x + 0] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
+            dest[4 * x + 1] = ((rgba & 0x07E0) >> 3) | ((rgba & 0x07E0) >> 9);
+            dest[4 * x + 2] = ((rgba & 0x001F) << 3) | ((rgba & 0x001F) >> 2);
+            dest[4 * x + 3] = 0xFF;
+        }
+    }
+}
+
 void Image::loadRGBFloatDataToRGBA(GLsizei width, GLsizei height,
                                    int inputPitch, const void *input, size_t outputPitch, void *output)
 {
@@ -282,6 +323,20 @@
     }
 }
 
+void Image::loadRGBFloatDataToNative(GLsizei width, GLsizei height,
+                                     int inputPitch, const void *input, size_t outputPitch, void *output)
+{
+    const float *source = NULL;
+    float *dest = NULL;
+
+    for (int y = 0; y < height; y++)
+    {
+        source = reinterpret_cast<const float*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+        dest = reinterpret_cast<float*>(static_cast<unsigned char*>(output) + y * outputPitch);
+        memcpy(dest, source, width * 12);
+    }
+}
+
 void Image::loadRGBHalfFloatDataToRGBA(GLsizei width, GLsizei height,
                                        int inputPitch, const void *input, size_t outputPitch, void *output)
 {
@@ -320,6 +375,20 @@
     }
 }
 
+void Image::loadRGBAUByteDataToNative(GLsizei width, GLsizei height,
+                                      int inputPitch, const void *input, size_t outputPitch, void *output)
+{
+    const unsigned int *source = NULL;
+    unsigned int *dest = NULL;
+    for (int y = 0; y < height; y++)
+    {
+        source = reinterpret_cast<const unsigned int*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+        dest = reinterpret_cast<unsigned int*>(static_cast<unsigned char*>(output) + y * outputPitch);
+
+        memcpy(dest, source, width * 4);
+    }
+}
+
 void Image::loadRGBA4444DataToBGRA(GLsizei width, GLsizei height,
                                    int inputPitch, const void *input, size_t outputPitch, void *output)
 {
@@ -341,6 +410,27 @@
     }
 }
 
+void Image::loadRGBA4444DataToRGBA(GLsizei width, GLsizei height,
+                                   int inputPitch, const void *input, size_t outputPitch, void *output)
+{
+    const unsigned short *source = NULL;
+    unsigned char *dest = NULL;
+
+    for (int y = 0; y < height; y++)
+    {
+        source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+        dest = static_cast<unsigned char*>(output) + y * outputPitch;
+        for (int x = 0; x < width; x++)
+        {
+            unsigned short rgba = source[x];
+            dest[4 * x + 0] = ((rgba & 0xF000) >> 8) | ((rgba & 0xF000) >> 12);
+            dest[4 * x + 1] = ((rgba & 0x0F00) >> 4) | ((rgba & 0x0F00) >> 8);
+            dest[4 * x + 2] = ((rgba & 0x00F0) << 0) | ((rgba & 0x00F0) >> 4);
+            dest[4 * x + 3] = ((rgba & 0x000F) << 4) | ((rgba & 0x000F) >> 0);
+        }
+    }
+}
+
 void Image::loadRGBA5551DataToBGRA(GLsizei width, GLsizei height,
                                    int inputPitch, const void *input, size_t outputPitch, void *output)
 {
@@ -362,6 +452,27 @@
     }
 }
 
+void Image::loadRGBA5551DataToRGBA(GLsizei width, GLsizei height,
+                                   int inputPitch, const void *input, size_t outputPitch, void *output)
+{
+    const unsigned short *source = NULL;
+    unsigned char *dest = NULL;
+
+    for (int y = 0; y < height; y++)
+    {
+        source = reinterpret_cast<const unsigned short*>(static_cast<const unsigned char*>(input) + y * inputPitch);
+        dest = static_cast<unsigned char*>(output) + y * outputPitch;
+        for (int x = 0; x < width; x++)
+        {
+            unsigned short rgba = source[x];
+            dest[4 * x + 0] = ((rgba & 0xF800) >> 8) | ((rgba & 0xF800) >> 13);
+            dest[4 * x + 1] = ((rgba & 0x07C0) >> 3) | ((rgba & 0x07C0) >> 8);
+            dest[4 * x + 2] = ((rgba & 0x003E) << 2) | ((rgba & 0x003E) >> 3);
+            dest[4 * x + 3] = (rgba & 0x0001) ? 0xFF : 0;
+        }
+    }
+}
+
 void Image::loadRGBAFloatDataToRGBA(GLsizei width, GLsizei height,
                                     int inputPitch, const void *input, size_t outputPitch, void *output)
 {
diff --git a/src/libGLESv2/renderer/Image.h b/src/libGLESv2/renderer/Image.h
index ad114f3..454e83e 100644
--- a/src/libGLESv2/renderer/Image.h
+++ b/src/libGLESv2/renderer/Image.h
@@ -57,6 +57,8 @@
 
     static void loadAlphaDataToBGRA(GLsizei width, GLsizei height,
                                     int inputPitch, const void *input, size_t outputPitch, void *output);
+    static void loadAlphaDataToNative(GLsizei width, GLsizei height,
+                                      int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadAlphaDataToBGRASSE2(GLsizei width, GLsizei height,
                                         int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadAlphaFloatDataToRGBA(GLsizei width, GLsizei height,
@@ -67,6 +69,8 @@
                                         int inputPitch, const void *input, size_t outputPitch, void *output, bool native);
     static void loadLuminanceFloatDataToRGBA(GLsizei width, GLsizei height,
                                              int inputPitch, const void *input, size_t outputPitch, void *output);
+    static void loadLuminanceFloatDataToRGB(GLsizei width, GLsizei height,
+                                            int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadLuminanceHalfFloatDataToRGBA(GLsizei width, GLsizei height,
                                                  int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadLuminanceAlphaDataToNativeOrBGRA(GLsizei width, GLsizei height,
@@ -77,20 +81,32 @@
                                                       int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadRGBUByteDataToBGRX(GLsizei width, GLsizei height,
                                        int inputPitch, const void *input, size_t outputPitch, void *output);
+    static void loadRGBUByteDataToRGBA(GLsizei width, GLsizei height,
+                                       int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadRGB565DataToBGRA(GLsizei width, GLsizei height,
                                      int inputPitch, const void *input, size_t outputPitch, void *output);
+    static void loadRGB565DataToRGBA(GLsizei width, GLsizei height,
+                                     int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadRGBFloatDataToRGBA(GLsizei width, GLsizei height,
                                        int inputPitch, const void *input, size_t outputPitch, void *output);
+    static void loadRGBFloatDataToNative(GLsizei width, GLsizei height,
+                                         int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadRGBHalfFloatDataToRGBA(GLsizei width, GLsizei height,
                                            int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadRGBAUByteDataToBGRASSE2(GLsizei width, GLsizei height,
                                             int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadRGBAUByteDataToBGRA(GLsizei width, GLsizei height,
                                         int inputPitch, const void *input, size_t outputPitch, void *output);
+    static void loadRGBAUByteDataToNative(GLsizei width, GLsizei height,
+                                          int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadRGBA4444DataToBGRA(GLsizei width, GLsizei height,
                                        int inputPitch, const void *input, size_t outputPitch, void *output);
+    static void loadRGBA4444DataToRGBA(GLsizei width, GLsizei height,
+                                       int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadRGBA5551DataToBGRA(GLsizei width, GLsizei height,
                                        int inputPitch, const void *input, size_t outputPitch, void *output);
+    static void loadRGBA5551DataToRGBA(GLsizei width, GLsizei height,
+                                       int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadRGBAFloatDataToRGBA(GLsizei width, GLsizei height,
                                         int inputPitch, const void *input, size_t outputPitch, void *output);
     static void loadRGBAHalfFloatDataToRGBA(GLsizei width, GLsizei height,
diff --git a/src/libGLESv2/renderer/Image11.cpp b/src/libGLESv2/renderer/Image11.cpp
index c67e9aa..e0cfe93 100644
--- a/src/libGLESv2/renderer/Image11.cpp
+++ b/src/libGLESv2/renderer/Image11.cpp
@@ -148,25 +148,25 @@
         loadLuminanceAlphaHalfFloatDataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
         break;
       case GL_RGB8_OES:
-        UNIMPLEMENTED(); // TODO - new function for D3D11-supported formats
+        loadRGBUByteDataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
         break;
       case GL_RGB565:
-        UNIMPLEMENTED(); // TODO - new function for D3D11-supported formats
+        loadRGB565DataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
         break;
       case GL_RGBA8_OES:
-        UNIMPLEMENTED(); // TODO - new function for D3D11-supported formats
+        loadRGBAUByteDataToNative(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
         break;
       case GL_RGBA4:
-        UNIMPLEMENTED(); // TODO - new function for D3D11-supported formats
+        loadRGBA4444DataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
         break;
       case GL_RGB5_A1:
-        UNIMPLEMENTED(); // TODO - new function for D3D11-supported formats
+        loadRGBA5551DataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
         break;
       case GL_BGRA8_EXT:
         loadBGRADataToBGRA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
         break;
       case GL_RGB32F_EXT:
-        UNIMPLEMENTED(); // TODO - new function for D3D11-supported formats
+        loadRGBFloatDataToNative(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);
         break;
       case GL_RGB16F_EXT:
         loadRGBHalfFloatDataToRGBA(width, height, inputPitch, input, mappedImage.RowPitch, offsetMappedData);