325 lines
8.3 KiB
C
325 lines
8.3 KiB
C
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//=======================================================================
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// Copyright XashXT Group 2010 <20>
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// gl_image.c - texture uploading and processing
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//=======================================================================
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#include "common.h"
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#include "client.h"
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#include "gl_local.h"
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#define MAX_TEXTURES 1024
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#define TEXTURES_HASH_SIZE 64
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// used for 'env' and 'sky' shots
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typedef struct envmap_s
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{
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vec3_t angles;
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int flags;
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} envmap_t;
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static int r_textureMinFilter = GL_LINEAR_MIPMAP_LINEAR;
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static int r_textureMagFilter = GL_LINEAR;
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static int r_textureDepthFilter = GL_LINEAR;
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static gltexture_t r_textures[MAX_TEXTURES];
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static gltexture_t *r_texturesHashTable[TEXTURES_HASH_SIZE];
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static int r_numTextures;
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static byte *r_imagepool; // immediate buffers
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static byte *r_texpool; // texture_t permanent chain
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static byte data2D[256*256*4]; // intermediate texbuffer
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static rgbdata_t r_image; // generic pixelbuffer used for internal textures
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const envmap_t r_skyBoxInfo[6] =
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{
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{{ 0, 270, 180}, IMAGE_FLIP_X },
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{{ 0, 90, 180}, IMAGE_FLIP_X },
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{{ -90, 0, 180}, IMAGE_FLIP_X },
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{{ 90, 0, 180}, IMAGE_FLIP_X },
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{{ 0, 0, 180}, IMAGE_FLIP_X },
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{{ 0, 180, 180}, IMAGE_FLIP_X },
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};
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const envmap_t r_envMapInfo[6] =
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{
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{{ 0, 0, 90}, 0 },
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{{ 0, 180, -90}, 0 },
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{{ 0, 90, 0}, 0 },
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{{ 0, 270, 180}, 0 },
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{{-90, 180, -90}, 0 },
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{{ 90, 180, 90}, 0 }
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};
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static struct
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{
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char name[64];
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pixformat_t format;
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int width;
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int height;
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int bpp;
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int bpc;
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int bps;
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int SizeOfPlane;
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int SizeOfData;
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int SizeOfFile;
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int depth;
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int numSides;
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int MipCount;
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int BitsCount;
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GLuint glFormat;
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GLuint glType;
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GLuint glTarget;
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GLuint glSamples;
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GLuint texTarget;
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texType_t texType;
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uint tflags; // TF_ flags
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uint flags; // IMAGE_ flags
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byte *pal;
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byte *source;
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byte *scaled;
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} image_desc;
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/*
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=================
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R_SetTextureParameters
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=================
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*/
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void R_SetTextureParameters( void )
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{
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gltexture_t *texture;
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int i;
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if( !com.stricmp( gl_texturemode->string, "GL_NEAREST" ))
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{
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r_textureMinFilter = GL_NEAREST;
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r_textureMagFilter = GL_NEAREST;
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}
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else if( !com.stricmp( gl_texturemode->string, "GL_LINEAR" ))
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{
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r_textureMinFilter = GL_LINEAR;
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r_textureMagFilter = GL_LINEAR;
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}
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else if( !com.stricmp( gl_texturemode->string, "GL_NEAREST_MIPMAP_NEAREST" ))
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{
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r_textureMinFilter = GL_NEAREST_MIPMAP_NEAREST;
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r_textureMagFilter = GL_NEAREST;
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}
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else if( !com.stricmp( gl_texturemode->string, "GL_LINEAR_MIPMAP_NEAREST" ))
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{
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r_textureMinFilter = GL_LINEAR_MIPMAP_NEAREST;
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r_textureMagFilter = GL_LINEAR;
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}
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else if( !com.stricmp( gl_texturemode->string, "GL_NEAREST_MIPMAP_LINEAR" ))
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{
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r_textureMinFilter = GL_NEAREST_MIPMAP_LINEAR;
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r_textureMagFilter = GL_NEAREST;
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}
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else if( !com.stricmp( gl_texturemode->string, "GL_LINEAR_MIPMAP_LINEAR" ))
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{
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r_textureMinFilter = GL_LINEAR_MIPMAP_LINEAR;
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r_textureMagFilter = GL_LINEAR;
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}
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else
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{
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MsgDev( D_ERROR, "gl_texturemode invalid mode %s, defaulting to GL_LINEAR_MIPMAP_LINEAR\n", gl_texturemode->string );
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Cvar_Set( "gl_texturemode", "GL_LINEAR_MIPMAP_LINEAR" );
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r_textureMinFilter = GL_LINEAR_MIPMAP_LINEAR;
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r_textureMagFilter = GL_LINEAR;
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}
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gl_texturemode->modified = false;
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if( GL_Support( GL_ANISOTROPY_EXT ))
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{
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if( gl_texture_anisotropy->value > glConfig.max_texture_anisotropy )
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Cvar_SetFloat( "r_anisotropy", glConfig.max_texture_anisotropy );
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else if( gl_texture_anisotropy->value < 1.0f )
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Cvar_SetFloat( "r_anisotropy", 1.0f );
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}
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gl_texture_anisotropy->modified = false;
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if( GL_Support( GL_TEXTURE_LODBIAS ))
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{
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if( gl_texture_lodbias->value > glConfig.max_texture_lodbias )
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Cvar_SetFloat( "r_texture_lodbias", glConfig.max_texture_lodbias );
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else if( gl_texture_lodbias->value < -glConfig.max_texture_lodbias )
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Cvar_SetFloat( "r_texture_lodbias", -glConfig.max_texture_lodbias );
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}
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gl_texture_lodbias->modified = false;
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// change all the existing mipmapped texture objects
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for( i = 0, texture = r_textures; i < r_numTextures; i++, texture++ )
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{
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if( !texture->texnum ) continue; // free slot
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GL_Bind( GL_TEXTURE0, texture );
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// set texture filter
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if( texture->flags & TF_DEPTHMAP )
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{
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// set texture filter
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pglTexParameteri( texture->target, GL_TEXTURE_MIN_FILTER, r_textureDepthFilter );
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pglTexParameteri( texture->target, GL_TEXTURE_MAG_FILTER, r_textureDepthFilter );
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// set texture anisotropy if available
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if( GL_Support( GL_ANISOTROPY_EXT ))
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pglTexParameterf( texture->target, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1.0f );
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}
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else if( texture->flags & TF_NOMIPMAP )
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{
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if( texture->flags & TF_NEAREST )
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{
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pglTexParameteri( texture->target, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
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pglTexParameteri( texture->target, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
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}
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else
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{
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pglTexParameteri( texture->target, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
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pglTexParameteri( texture->target, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
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}
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}
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else
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{
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if( texture->flags & TF_NEAREST )
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{
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pglTexParameteri( texture->target, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST );
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pglTexParameteri( texture->target, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
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}
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else
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{
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pglTexParameteri( texture->target, GL_TEXTURE_MIN_FILTER, r_textureMinFilter );
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pglTexParameteri( texture->target, GL_TEXTURE_MAG_FILTER, r_textureMagFilter );
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}
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// set texture anisotropy if available
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if( GL_Support( GL_ANISOTROPY_EXT ))
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pglTexParameterf( texture->target, GL_TEXTURE_MAX_ANISOTROPY_EXT, gl_texture_anisotropy->value );
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// set texture LOD bias if available
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if( GL_Support( GL_TEXTURE_LODBIAS ))
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pglTexParameterf( texture->target, GL_TEXTURE_LOD_BIAS_EXT, gl_texture_lodbias->value );
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}
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}
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}
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/*
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===============
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R_TextureList_f
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===============
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*/
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void R_TextureList_f( void )
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{
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gltexture_t *image;
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int i, texCount, bytes = 0;
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Msg( "\n" );
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Msg(" -w-- -h-- -size- -fmt- type -filter -wrap-- -name--------\n" );
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for( i = texCount = 0, image = r_textures; i < r_numTextures; i++, image++ )
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{
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if( !image->texnum ) continue;
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bytes += image->size;
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texCount++;
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Msg( "%4i: ", i );
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Msg( "%4i %4i ", image->width, image->height );
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Msg( "%5ik ", image->size >> 10 );
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switch( image->format )
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{
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case GL_COMPRESSED_RGBA_ARB:
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Msg( "CRGBA " );
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break;
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case GL_COMPRESSED_RGB_ARB:
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Msg( "CRGB " );
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break;
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case GL_COMPRESSED_LUMINANCE_ALPHA_ARB:
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Msg( "CLA " );
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break;
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case GL_COMPRESSED_LUMINANCE_ARB:
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Msg( "CL " );
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break;
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case GL_COMPRESSED_ALPHA_ARB:
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Msg( "CA " );
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break;
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case GL_COMPRESSED_INTENSITY_ARB:
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Msg( "CI " );
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break;
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case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
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case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
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Msg( "DXT1 " );
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break;
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case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
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Msg( "DXT3 " );
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break;
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case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
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Msg( "DXT5 " );
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break;
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case GL_RGBA:
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Msg( "RGBA " );
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break;
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case GL_RGBA8:
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Msg( "RGBA8 " );
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break;
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case GL_RGBA4:
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Msg( "RGBA4 " );
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break;
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case GL_RGB:
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Msg( "RGB " );
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break;
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case GL_RGB8:
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Msg( "RGB8 " );
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break;
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case GL_RGB5:
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Msg( "RGB5 " );
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break;
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case GL_LUMINANCE8_ALPHA8:
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Msg( "L8A8 " );
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break;
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case GL_LUMINANCE8:
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Msg( "L8 " );
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break;
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case GL_ALPHA8:
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Msg( "A8 " );
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break;
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case GL_INTENSITY8:
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Msg( "I8 " );
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break;
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default:
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Msg( "????? " );
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break;
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}
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switch( image->target )
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{
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case GL_TEXTURE_2D:
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Msg( " 2D " );
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break;
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case GL_TEXTURE_3D:
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Msg( " 3D " );
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break;
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case GL_TEXTURE_CUBE_MAP_ARB:
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Msg( "CUBE " );
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break;
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default:
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Msg( "???? " );
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break;
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}
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if( image->flags & TF_NOMIPMAP )
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Msg( "linear " );
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if( image->flags & TF_NEAREST )
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Msg( "nearest" );
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else Msg( "default" );
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if( image->flags & TF_CLAMP )
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Msg( " clamp " );
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else Msg( " repeat " );
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Msg( " %s\n", image->name );
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}
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Msg( "---------------------------------------------------------\n" );
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Msg( "%i total textures\n", texCount );
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Msg( "%s total memory used\n", memprint( bytes ));
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Msg( "\n" );
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}
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