#include <texture.h>
Inheritance diagram for CubeMap:
Public Member Functions | |
| virtual void | bind () |
| CubeMap (Image *faces[]) | |
| virtual const TextureTile | getTile (int lod, int u, int v) |
| virtual void | setBorderColor (Color) |
| ~CubeMap () | |
Private Attributes | |
| unsigned int | glName |
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Definition at line 711 of file texture.cpp. References CalcMipLevelCount(), Image::getFormat(), Texture::getHeight(), getInternalFormat(), Image::getPixels(), Texture::getWidth(), GL_CLAMP_TO_EDGE, GL_TEXTURE_CUBE_MAP_EXT, GL_TEXTURE_CUBE_MAP_POSITIVE_X_EXT, glName, LoadMiplessTexture(), and LoadMipmapSet(). 00711 : 00712 Texture(faces[0]->getWidth(), faces[0]->getHeight()), 00713 glName(0) 00714 { 00715 // Verify that all the faces are square and have the same size 00716 int width = faces[0]->getWidth(); 00717 int format = faces[0]->getFormat(); 00718 int i = 0; 00719 for (i = 0; i < 6; i++) 00720 { 00721 if (faces[i]->getWidth() != width || 00722 faces[i]->getHeight() != width || 00723 faces[i]->getFormat() != format) 00724 return; 00725 } 00726 00727 // For now, always enable mipmaps; in the future, it should be possible to 00728 // override this. 00729 bool mipmap = true; 00730 bool precomputedMipMaps = false; 00731 00732 // Require a complete set of mipmaps 00733 int mipLevelCount = faces[0]->getMipLevelCount(); 00734 if (mipmap && mipLevelCount == CalcMipLevelCount(width, width)) 00735 precomputedMipMaps = true; 00736 00737 // We can't automatically generate mipmaps for compressed textures. 00738 // If a precomputed mipmap set isn't provided, turn of mipmapping entirely. 00739 if (!precomputedMipMaps && faces[0]->isCompressed()) 00740 mipmap = false; 00741 00742 glGenTextures(1, (GLuint*)&glName); 00743 glBindTexture(GL_TEXTURE_CUBE_MAP_EXT, glName); 00744 00745 glTexParameteri(GL_TEXTURE_CUBE_MAP_EXT, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); 00746 glTexParameteri(GL_TEXTURE_CUBE_MAP_EXT, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); 00747 glTexParameteri(GL_TEXTURE_CUBE_MAP_EXT, GL_TEXTURE_MAG_FILTER, GL_LINEAR); 00748 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, 00749 mipmap ? GL_LINEAR_MIPMAP_LINEAR : GL_LINEAR); 00750 00751 int internalFormat = getInternalFormat(format); 00752 00753 for (i = 0; i < 6; i++) 00754 { 00755 GLenum targetFace = (GLenum) ((int) GL_TEXTURE_CUBE_MAP_POSITIVE_X_EXT + i); 00756 Image* face = faces[i]; 00757 00758 if (mipmap) 00759 { 00760 if (precomputedMipMaps) 00761 { 00762 LoadMipmapSet(*face, targetFace); 00763 } 00764 else 00765 { 00766 gluBuild2DMipmaps(targetFace, 00767 internalFormat, 00768 getWidth(), getHeight(), 00769 (GLenum) face->getFormat(), 00770 GL_UNSIGNED_BYTE, 00771 face->getPixels()); 00772 } 00773 } 00774 else 00775 { 00776 LoadMiplessTexture(*face, targetFace); 00777 } 00778 } 00779 }
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Definition at line 782 of file texture.cpp. References glName. 00783 {
00784 if (glName != 0)
00785 glDeleteTextures(1, (const GLuint*) &glName);
00786 }
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Implements Texture. Definition at line 789 of file texture.cpp. References GL_TEXTURE_CUBE_MAP_EXT, and glName. Referenced by setBorderColor(). 00790 {
00791 glBindTexture(GL_TEXTURE_CUBE_MAP_EXT, glName);
00792 }
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Implements Texture. Definition at line 795 of file texture.cpp. References glName. 00796 {
00797 if (lod != 0 || u != 0 || v != 0)
00798 return TextureTile(0);
00799 else
00800 return TextureTile(glName);
00801 }
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Reimplemented from Texture. Definition at line 804 of file texture.cpp. References bind(), GL_TEXTURE_CUBE_MAP_EXT, and SetBorderColor(). 00805 {
00806 bind();
00807 SetBorderColor(borderColor, GL_TEXTURE_CUBE_MAP_EXT);
00808 }
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Definition at line 147 of file texture.h. Referenced by bind(), CubeMap(), getTile(), and ~CubeMap(). |
1.4.1