2008-07-23 22:00:00 +02:00
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//=======================================================================
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// Copyright XashXT Group 2007 <20>
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// r_local.h - render internal types
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//=======================================================================
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#ifndef R_LOCAL_H
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#define R_LOCAL_H
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// limits
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#define MAX_TEXTURES 4096
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#define MAX_PROGRAMS 512
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#define MAX_SHADERS 1024
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#define MAX_LIGHTMAPS 128
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#define MAX_VERTEX_BUFFERS 2048
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typedef enum
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{
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R_OPENGL_110 = 0, // base
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R_WGL_SWAPCONTROL,
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R_COMBINE_EXT,
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R_DRAWRANGEELMENTS,
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R_ARB_MULTITEXTURE,
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R_LOCKARRAYS_EXT,
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R_TEXTURE_3D_EXT,
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R_TEXTURECUBEMAP_EXT,
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R_DOT3_ARB_EXT,
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R_CLAMPTOEDGE_EXT,
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R_ANISOTROPY_EXT,
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R_BLEND_MINMAX_EXT,
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R_STENCILTWOSIDE_EXT,
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R_BLEND_SUBTRACT_EXT,
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R_SHADER_OBJECTS_EXT,
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R_SHADER_GLSL100_EXT,
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R_VERTEX_SHADER_EXT,
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R_FRAGMENT_SHADER_EXT,
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R_EXT_POINTPARAMETERS,
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R_SEPARATESTENCIL_EXT,
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R_ARB_TEXTURE_NPOT_EXT,
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R_ARB_VERTEX_BUFFER_OBJECT_EXT,
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R_CUSTOM_VERTEX_ARRAY_EXT,
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R_TEXTURE_COMPRESSION_EXT,
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R_EXTCOUNT
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} r_opengl_extensions;
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/*
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=======================================================================
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GL STATE MANAGER
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=======================================================================
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*/
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typedef struct glstate_s
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{
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bool orthogonal;
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word gammaRamp[768]; // current gamma ramp
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word stateRamp[768]; // original gamma ramp
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uint screenTexture;
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uint activeTMU;
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int *texNum;
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int *texEnv;
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// render current state
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bool cullFace;
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bool polygonOffsetFill;
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bool vertexProgram;
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bool fragmentProgram;
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bool alpha_test;
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bool depth_test;
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bool blend;
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// OpenGL current state
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GLenum cullMode;
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GLfloat offsetFactor;
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GLfloat offsetUnits;
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GLenum alphaFunc;
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GLclampf alphaRef;
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GLenum blendSrc;
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GLenum blendDst;
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GLenum depthFunc;
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GLboolean depthMask;
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2008-07-26 22:00:00 +02:00
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GLfloat polygonoffset[2];
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2008-07-23 22:00:00 +02:00
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// old stuff
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vec4_t draw_color; // using with Draw_* functions
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int lightmap_textures;
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float inverse_intensity;
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} glstate_t;
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// contains constant values that are always
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// setting by R_Init and using as read-only
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typedef struct glconfig_s
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{
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const char *renderer_string;
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const char *vendor_string;
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const char *version_string;
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// list of supported extensions
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const char *extensions_string;
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byte extension[R_EXTCOUNT];
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int textureunits;
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int max_3d_texture_size;
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int max_cubemap_texture_size;
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int max_anisotropy;
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GLint texRectangle;
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bool fullscreen;
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int prev_mode;
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} glconfig_t;
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#endif//R_LOCAL_H
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