From 360c190ef79673ed348e952dcfe860d876d97d20 Mon Sep 17 00:00:00 2001
From: Bart van Strien <bart@bartbes.ath.cx>
Date: Sun, 15 May 2011 23:31:12 +0200
Subject: [PATCH] Move po2ifying to Image, Quads broken at the moment

---
 src/modules/graphics/opengl/Image.cpp | 22 +++++++++++++++++++++-
 src/modules/image/devil/ImageData.cpp | 25 +++++--------------------
 src/modules/image/devil/ImageData.h   |  4 ++--
 3 files changed, 28 insertions(+), 23 deletions(-)

diff --git a/src/modules/graphics/opengl/Image.cpp b/src/modules/graphics/opengl/Image.cpp
index 84620fdf9..1b6357b84 100644
--- a/src/modules/graphics/opengl/Image.cpp
+++ b/src/modules/graphics/opengl/Image.cpp
@@ -284,13 +284,33 @@ namespace opengl
 
 		glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
 		glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+		
+		float p2width = next_p2(width);
+		float p2height = next_p2(height);
+		float t = width/p2width;
+		float s = height/p2height;
+		
+		vertices[1].t = t;
+		vertices[2].t = t;
+		vertices[2].s = s;
+		vertices[3].s = s;
 
 		glTexImage2D(GL_TEXTURE_2D,
 			0,
 			GL_RGBA8,
+			(GLsizei)p2width,
+			(GLsizei)p2height,
+			0,
+			GL_RGBA,
+			GL_UNSIGNED_BYTE,
+			0);
+			
+		glTexSubImage2D(GL_TEXTURE_2D,
+			0,
+			0,
+			0,
 			(GLsizei)width,
 			(GLsizei)height,
-			0,
 			GL_RGBA,
 			GL_UNSIGNED_BYTE,
 			data->getData());
diff --git a/src/modules/image/devil/ImageData.cpp b/src/modules/image/devil/ImageData.cpp
index 2f2e5834c..e452985cf 100644
--- a/src/modules/image/devil/ImageData.cpp
+++ b/src/modules/image/devil/ImageData.cpp
@@ -35,7 +35,7 @@ namespace image
 {
 namespace devil
 {
-	void ImageData::createPo2(int width, int height, void * data)
+	void ImageData::create(int width, int height, void * data)
 	{
 		//create the image
 		ilGenImages(1, &image);
@@ -43,10 +43,6 @@ namespace devil
 		//bind it
 		ilBindImage(image);
 
-		//scale to nearest bigger po2
-		width  = next_p2(width);
-		height = next_p2(height);
-
 		//create and populate the image
 		bool success = (ilTexImage(width, height, 1, bpp, IL_RGBA, IL_UNSIGNED_BYTE, data) == IL_TRUE);
 
@@ -74,15 +70,11 @@ namespace devil
 
 	void ImageData::load(Data * data)
 	{
-		// Create a temporary image to store
-		// the decoded image in.
-		ILuint tempimage;
-
 		// Generate DevIL image.
-		ilGenImages(1, &tempimage);
+		ilGenImages(1, &image);
 
 		// Bind the image.
-		ilBindImage(tempimage);
+		ilBindImage(image);
 
 		// Try to load the image.
 		ILboolean success = ilLoadL(IL_TYPE_UNKNOWN, (void*)data->getData(), data->getSize());
@@ -90,7 +82,6 @@ namespace devil
 		// Check for errors
 		if(!success)
 		{
-			ilDeleteImages(1, &tempimage);
 			throw love::Exception("Could not decode image!");
 			return;
 		}
@@ -107,15 +98,9 @@ namespace devil
 
 		if(bpp != 4)
 		{
-			ilDeleteImages(1, &tempimage);
 			std::cerr << "Bits per pixel != 4" << std::endl;
 			return;
 		}
-
-		// Create a new, PO2, image based on it
-		createPo2(width, height, ilGetData());
-		// Delete the temporary image.
-		ilDeleteImages(1, &tempimage);
 	}
 
 	ImageData::ImageData(Data * data)
@@ -133,7 +118,7 @@ namespace devil
 	ImageData::ImageData(int width, int height)
 		: width(width), height(height), origin(IL_ORIGIN_UPPER_LEFT), bpp(4)
 	{
-		createPo2(width, height);
+		create(width, height);
 
 		// Set to black.
 		memset((void*)ilGetData(), 0, width*height*4);
@@ -142,7 +127,7 @@ namespace devil
 	ImageData::ImageData(int width, int height, void *data)
 	: width(width), height(height), origin(IL_ORIGIN_UPPER_LEFT), bpp(4)
 	{
-		createPo2(width, height, data);
+		create(width, height, data);
 	}
 
 	ImageData::~ImageData()
diff --git a/src/modules/image/devil/ImageData.h b/src/modules/image/devil/ImageData.h
index 055e7d864..20f9d379f 100644
--- a/src/modules/image/devil/ImageData.h
+++ b/src/modules/image/devil/ImageData.h
@@ -53,8 +53,8 @@ namespace devil
 		// DevIL image identifier.
 		ILuint image;
 
-		// Create PO2 imagedata.
-		void createPo2(int width, int height, void * data = 0);
+		// Create imagedata.
+		void create(int width, int height, void * data = 0);
 
 		void load(Data * data);