From 7fe487f9cc4cb4b7ee6a121f33b9d284bfc15ed7 Mon Sep 17 00:00:00 2001
From: dhewg
Date: Sat, 12 Mar 2011 09:17:58 +0100
Subject: ANDROID: Add more paletted texture types

---
 backends/platform/android/texture.cpp | 39 ++++++++++++++++++++++++++++++-----
 backends/platform/android/texture.h   | 30 +++++++++++++++++++++++++--
 2 files changed, 62 insertions(+), 7 deletions(-)

diff --git a/backends/platform/android/texture.cpp b/backends/platform/android/texture.cpp
index eb45de7468..603ef3aa6f 100644
--- a/backends/platform/android/texture.cpp
+++ b/backends/platform/android/texture.cpp
@@ -93,7 +93,8 @@ GLESTexture::GLESTexture(byte bytesPerPixel, GLenum glFormat, GLenum glType,
 	_texture_height(0),
 	_all_dirty(false),
 	_dirty_rect(),
-	_pixelFormat(pixelFormat)
+	_pixelFormat(pixelFormat),
+	_palettePixelFormat()
 {
 	GLCALL(glGenTextures(1, &_texture_name));
 }
@@ -300,12 +301,14 @@ GLES565Texture::~GLES565Texture() {
 }
 
 GLESPaletteTexture::GLESPaletteTexture(byte bytesPerPixel, GLenum glFormat,
-										GLenum glType, size_t paletteSize) :
+									GLenum glType,
+									Graphics::PixelFormat palettePixelFormat) :
 	GLESTexture(bytesPerPixel, glFormat, glType,
 				Graphics::PixelFormat::createFormatCLUT8()),
-	_paletteSize(paletteSize),
 	_texture(0)
 {
+	_palettePixelFormat = palettePixelFormat;
+	_paletteSize = _palettePixelFormat.bytesPerPixel * 256;
 }
 
 GLESPaletteTexture::~GLESPaletteTexture() {
@@ -368,18 +371,44 @@ void GLESPaletteTexture::drawTexture(GLshort x, GLshort y, GLshort w,
 }
 
 GLESPalette888Texture::GLESPalette888Texture() :
-	GLESPaletteTexture(1, GL_RGB, GL_PALETTE8_RGB8_OES, 256 * 3) {
+	GLESPaletteTexture(1, GL_RGB, GL_PALETTE8_RGB8_OES,
+						Graphics::PixelFormat(3, 8, 8, 8, 0, 16, 8, 0, 0)) {
 }
 
 GLESPalette888Texture::~GLESPalette888Texture() {
 }
 
 GLESPalette8888Texture::GLESPalette8888Texture() :
-	GLESPaletteTexture(1, GL_RGBA, GL_PALETTE8_RGBA8_OES, 256 * 4) {
+	GLESPaletteTexture(1, GL_RGBA, GL_PALETTE8_RGBA8_OES,
+						Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0)) {
 }
 
 GLESPalette8888Texture::~GLESPalette8888Texture() {
 }
 
+GLESPalette565Texture::GLESPalette565Texture() :
+	GLESPaletteTexture(1, GL_RGB, GL_PALETTE8_R5_G6_B5_OES,
+						Graphics::PixelFormat(2, 5, 6, 5, 0, 11, 5, 0, 0)) {
+}
+
+GLESPalette565Texture::~GLESPalette565Texture() {
+}
+
+GLESPalette4444Texture::GLESPalette4444Texture() :
+	GLESPaletteTexture(1, GL_RGBA, GL_PALETTE8_RGBA4_OES,
+						Graphics::PixelFormat(2, 4, 4, 4, 4, 12, 8, 4, 0)) {
+}
+
+GLESPalette4444Texture::~GLESPalette4444Texture() {
+}
+
+GLESPalette5551Texture::GLESPalette5551Texture() :
+	GLESPaletteTexture(1, GL_RGBA, GL_PALETTE8_RGB5_A1_OES,
+						Graphics::PixelFormat(2, 5, 5, 5, 1, 11, 6, 1, 0)) {
+}
+
+GLESPalette5551Texture::~GLESPalette5551Texture() {
+}
+
 #endif
 
diff --git a/backends/platform/android/texture.h b/backends/platform/android/texture.h
index 91ec9ff857..f00a589875 100644
--- a/backends/platform/android/texture.h
+++ b/backends/platform/android/texture.h
@@ -93,7 +93,7 @@ public:
 	};
 
 	inline bool hasPalette() const {
-		return palette_const() != 0;
+		return _palettePixelFormat.bytesPerPixel > 0;
 	}
 
 	inline bool dirty() const {
@@ -104,6 +104,10 @@ public:
 		return _pixelFormat;
 	}
 
+	inline const Graphics::PixelFormat &getPalettePixelFormat() const {
+		return _palettePixelFormat;
+	}
+
 protected:
 	inline void setDirty() {
 		_all_dirty = true;
@@ -140,6 +144,7 @@ protected:
 	Common::Rect _dirty_rect;
 
 	Graphics::PixelFormat _pixelFormat;
+	Graphics::PixelFormat _palettePixelFormat;
 };
 
 // RGBA4444 texture
@@ -178,7 +183,7 @@ public:
 class GLESPaletteTexture : public GLESTexture {
 protected:
 	GLESPaletteTexture(byte bytesPerPixel, GLenum glFormat, GLenum glType,
-						size_t paletteSize);
+						Graphics::PixelFormat palettePixelFormat);
 
 public:
 	virtual ~GLESPaletteTexture();
@@ -222,6 +227,27 @@ public:
 	virtual ~GLESPalette8888Texture();
 };
 
+// RGB565 256-entry paletted texture
+class GLESPalette565Texture : public GLESPaletteTexture {
+public:
+	GLESPalette565Texture();
+	virtual ~GLESPalette565Texture();
+};
+
+// RGBA4444 256-entry paletted texture
+class GLESPalette4444Texture : public GLESPaletteTexture {
+public:
+	GLESPalette4444Texture();
+	virtual ~GLESPalette4444Texture();
+};
+
+// RGBA5551 256-entry paletted texture
+class GLESPalette5551Texture : public GLESPaletteTexture {
+public:
+	GLESPalette5551Texture();
+	virtual ~GLESPalette5551Texture();
+};
+
 #endif
 #endif
 
-- 
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