From 99c0d825418de549c42f26532eb444cdfa82e507 Mon Sep 17 00:00:00 2001
From: dhewg
Date: Sat, 12 Mar 2011 09:15:27 +0100
Subject: ANDROID: Cleanup paletted textures

---
 backends/platform/android/gfx.cpp     |  8 ++++----
 backends/platform/android/texture.cpp | 16 ++++++++--------
 backends/platform/android/texture.h   |  8 ++++++--
 3 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/backends/platform/android/gfx.cpp b/backends/platform/android/gfx.cpp
index 327ef06f38..d0fc392681 100644
--- a/backends/platform/android/gfx.cpp
+++ b/backends/platform/android/gfx.cpp
@@ -295,7 +295,7 @@ void OSystem_Android::setPalette(const byte *colors, uint start, uint num) {
 	ENTER("%p, %u, %u", colors, start, num);
 
 #ifdef USE_RGB_COLOR
-	assert(_game_texture->getPixelFormat().bytesPerPixel == 1);
+	assert(_game_texture->hasPalette());
 #endif
 
 	GLTHREADCHECK;
@@ -310,7 +310,7 @@ void OSystem_Android::grabPalette(byte *colors, uint start, uint num) {
 	ENTER("%p, %u, %u", colors, start, num);
 
 #ifdef USE_RGB_COLOR
-	assert(_game_texture->getPixelFormat().bytesPerPixel == 1);
+	assert(_game_texture->hasPalette());
 #endif
 
 	GLTHREADCHECK;
@@ -664,7 +664,7 @@ void OSystem_Android::setCursorPalette(const byte *colors,
 
 	GLTHREADCHECK;
 
-	if (_mouse_texture->getPixelFormat().bytesPerPixel != 1) {
+	if (!_mouse_texture->hasPalette()) {
 		LOGD("switching to paletted mouse cursor");
 
 		_mouse_texture = _mouse_texture_palette;
@@ -682,7 +682,7 @@ void OSystem_Android::disableCursorPalette(bool disable) {
 
 	// when disabling the cursor palette, and we're running a clut8 game,
 	// it expects the game palette to be used for the cursor
-	if (disable && _game_texture->getPixelFormat().bytesPerPixel == 1) {
+	if (disable && _game_texture->hasPalette()) {
 		byte *src = _game_texture->palette();
 		byte *dst = _mouse_texture_palette->palette();
 
diff --git a/backends/platform/android/texture.cpp b/backends/platform/android/texture.cpp
index 24e6549b1a..eb45de7468 100644
--- a/backends/platform/android/texture.cpp
+++ b/backends/platform/android/texture.cpp
@@ -83,11 +83,10 @@ void GLESTexture::initGLExtensions() {
 }
 
 GLESTexture::GLESTexture(byte bytesPerPixel, GLenum glFormat, GLenum glType,
-		size_t paletteSize, Graphics::PixelFormat pixelFormat) :
+							Graphics::PixelFormat pixelFormat) :
 	_bytesPerPixel(bytesPerPixel),
 	_glFormat(glFormat),
 	_glType(glType),
-	_paletteSize(paletteSize),
 	_texture_name(0),
 	_surface(),
 	_texture_width(0),
@@ -111,7 +110,7 @@ void GLESTexture::release() {
 void GLESTexture::reinit() {
 	GLCALL(glGenTextures(1, &_texture_name));
 
-	if (_paletteSize) {
+	if (hasPalette()) {
 		// paletted textures are in a local buffer, don't wipe it
 		initSize();
 	} else {
@@ -239,7 +238,7 @@ void GLESTexture::drawTexture(GLshort x, GLshort y, GLshort w, GLshort h) {
 #ifdef GL_OES_draw_texture
 	// Great extension, but only works under specific conditions.
 	// Still a work-in-progress - disabled for now.
-	if (false && draw_tex_supported && _paletteSize == 0) {
+	if (false && draw_tex_supported && !hasPalette()) {
 		//GLCALL(glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE));
 		const GLint crop[4] = { 0, _surface.h, _surface.w, -_surface.h };
 
@@ -280,21 +279,21 @@ void GLESTexture::drawTexture(GLshort x, GLshort y, GLshort w, GLshort h) {
 }
 
 GLES4444Texture::GLES4444Texture() :
-	GLESTexture(2, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, 0, getPixelFormat()) {
+	GLESTexture(2, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, getPixelFormat()) {
 }
 
 GLES4444Texture::~GLES4444Texture() {
 }
 
 GLES5551Texture::GLES5551Texture() :
-	GLESTexture(2, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, 0, getPixelFormat()) {
+	GLESTexture(2, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, getPixelFormat()) {
 }
 
 GLES5551Texture::~GLES5551Texture() {
 }
 
 GLES565Texture::GLES565Texture() :
-	GLESTexture(2, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, 0, getPixelFormat()) {
+	GLESTexture(2, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, getPixelFormat()) {
 }
 
 GLES565Texture::~GLES565Texture() {
@@ -302,8 +301,9 @@ GLES565Texture::~GLES565Texture() {
 
 GLESPaletteTexture::GLESPaletteTexture(byte bytesPerPixel, GLenum glFormat,
 										GLenum glType, size_t paletteSize) :
-	GLESTexture(bytesPerPixel, glFormat, glType, paletteSize,
+	GLESTexture(bytesPerPixel, glFormat, glType,
 				Graphics::PixelFormat::createFormatCLUT8()),
+	_paletteSize(paletteSize),
 	_texture(0)
 {
 }
diff --git a/backends/platform/android/texture.h b/backends/platform/android/texture.h
index 1ed16cb390..91ec9ff857 100644
--- a/backends/platform/android/texture.h
+++ b/backends/platform/android/texture.h
@@ -42,7 +42,7 @@ public:
 
 protected:
 	GLESTexture(byte bytesPerPixel, GLenum glFormat, GLenum glType,
-				size_t paletteSize, Graphics::PixelFormat pixelFormat);
+				Graphics::PixelFormat pixelFormat);
 
 public:
 	virtual ~GLESTexture();
@@ -92,6 +92,10 @@ public:
 		return 0;
 	};
 
+	inline bool hasPalette() const {
+		return palette_const() != 0;
+	}
+
 	inline bool dirty() const {
 		return _all_dirty || !_dirty_rect.isEmpty();
 	}
@@ -125,7 +129,6 @@ protected:
 	byte _bytesPerPixel;
 	GLenum _glFormat;
 	GLenum _glType;
-	size_t _paletteSize;
 
 	GLuint _texture_name;
 	Graphics::Surface _surface;
@@ -202,6 +205,7 @@ public:
 
 protected:
 	byte *_texture;
+	size_t _paletteSize;
 };
 
 // RGB888 256-entry paletted texture
-- 
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