Alibek Omarov
6 years ago
42 changed files with 3424 additions and 3189 deletions
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#pragma once |
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/*
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======================================================================== |
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internal image format |
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typically expanded to rgba buffer |
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NOTE: number at end of pixelformat name it's a total bitscount e.g. PF_RGB_24 == PF_RGB_888 |
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======================================================================== |
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*/ |
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#define ImageRAW( type ) (type == PF_RGBA_32 || type == PF_BGRA_32 || type == PF_RGB_24 || type == PF_BGR_24) |
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#define ImageDXT( type ) (type == PF_DXT1 || type == PF_DXT3 || type == PF_DXT5 || type == PF_ATI2) |
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typedef enum |
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{ |
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PF_UNKNOWN = 0, |
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PF_INDEXED_24, // inflated palette (768 bytes)
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PF_INDEXED_32, // deflated palette (1024 bytes)
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PF_RGBA_32, // normal rgba buffer
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PF_BGRA_32, // big endian RGBA (MacOS)
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PF_RGB_24, // uncompressed dds or another 24-bit image
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PF_BGR_24, // big-endian RGB (MacOS)
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PF_DXT1, // s3tc DXT1 format
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PF_DXT3, // s3tc DXT3 format
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PF_DXT5, // s3tc DXT5 format
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PF_ATI2, // latc ATI2N format
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PF_TOTALCOUNT, // must be last
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} pixformat_t; |
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typedef struct bpc_desc_s |
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{ |
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int format; // pixelformat
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char name[16]; // used for debug
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uint glFormat; // RGBA format
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int bpp; // channels (e.g. rgb = 3, rgba = 4)
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} bpc_desc_t; |
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// imagelib global settings
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typedef enum |
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{ |
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IL_USE_LERPING = BIT(0), // lerping images during resample
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IL_KEEP_8BIT = BIT(1), // don't expand paletted images
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IL_ALLOW_OVERWRITE = BIT(2), // allow to overwrite stored images
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IL_DONTFLIP_TGA = BIT(3), // Steam background completely ignore tga attribute 0x20 (stupid lammers!)
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IL_DDS_HARDWARE = BIT(4), // DXT compression is support
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IL_LOAD_DECAL = BIT(5), // special mode for load gradient decals
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IL_OVERVIEW = BIT(6), // overview required some unque operations
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} ilFlags_t; |
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// goes into rgbdata_t->encode
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#define DXT_ENCODE_DEFAULT 0 // don't use custom encoders
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#define DXT_ENCODE_COLOR_YCoCg 0x1A01 // make sure that value dosn't collide with anything
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#define DXT_ENCODE_ALPHA_1BIT 0x1A02 // normal 1-bit alpha
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#define DXT_ENCODE_ALPHA_8BIT 0x1A03 // normal 8-bit alpha
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#define DXT_ENCODE_ALPHA_SDF 0x1A04 // signed distance field
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#define DXT_ENCODE_NORMAL_AG_ORTHO 0x1A05 // orthographic projection
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#define DXT_ENCODE_NORMAL_AG_STEREO 0x1A06 // stereographic projection
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#define DXT_ENCODE_NORMAL_AG_PARABOLOID 0x1A07 // paraboloid projection
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#define DXT_ENCODE_NORMAL_AG_QUARTIC 0x1A08 // newton method
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#define DXT_ENCODE_NORMAL_AG_AZIMUTHAL 0x1A09 // Lambert Azimuthal Equal-Area
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// rgbdata output flags
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typedef enum |
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{ |
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// rgbdata->flags
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IMAGE_CUBEMAP = BIT(0), // it's 6-sides cubemap buffer
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IMAGE_HAS_ALPHA = BIT(1), // image contain alpha-channel
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IMAGE_HAS_COLOR = BIT(2), // image contain RGB-channel
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IMAGE_COLORINDEX = BIT(3), // all colors in palette is gradients of last color (decals)
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IMAGE_HAS_LUMA = BIT(4), // image has luma pixels (q1-style maps)
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IMAGE_SKYBOX = BIT(5), // only used by FS_SaveImage - for write right suffixes
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IMAGE_QUAKESKY = BIT(6), // it's a quake sky double layered clouds (so keep it as 8 bit)
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IMAGE_DDS_FORMAT = BIT(7), // a hint for GL loader
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IMAGE_MULTILAYER = BIT(8), // to differentiate from 3D texture
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IMAGE_ONEBIT_ALPHA = BIT(9), // binary alpha
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IMAGE_QUAKEPAL = BIT(10), // image has quake1 palette
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// Image_Process manipulation flags
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IMAGE_FLIP_X = BIT(16), // flip the image by width
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IMAGE_FLIP_Y = BIT(17), // flip the image by height
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IMAGE_ROT_90 = BIT(18), // flip from upper left corner to down right corner
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IMAGE_ROT180 = IMAGE_FLIP_X|IMAGE_FLIP_Y, |
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IMAGE_ROT270 = IMAGE_FLIP_X|IMAGE_FLIP_Y|IMAGE_ROT_90, |
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IMAGE_EMBOSS = BIT(19), // apply emboss mapping
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IMAGE_RESAMPLE = BIT(20), // resample image to specified dims
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// reserved
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// reserved
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IMAGE_FORCE_RGBA = BIT(23), // force image to RGBA buffer
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IMAGE_MAKE_LUMA = BIT(24), // create luma texture from indexed
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IMAGE_QUANTIZE = BIT(25), // make indexed image from 24 or 32- bit image
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IMAGE_LIGHTGAMMA = BIT(26), // apply gamma for image
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IMAGE_REMAP = BIT(27), // interpret width and height as top and bottom color
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} imgFlags_t; |
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typedef struct rgbdata_s |
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{ |
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word width; // image width
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word height; // image height
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word depth; // image depth
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uint type; // compression type
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uint flags; // misc image flags
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word encode; // DXT may have custom encoder, that will be decoded in GLSL-side
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byte numMips; // mipmap count
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byte *palette; // palette if present
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byte *buffer; // image buffer
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rgba_t fogParams; // some water textures in hl1 has info about fog color and alpha
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size_t size; // for bounds checking
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} rgbdata_t; |
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@ -0,0 +1,518 @@ |
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#include "gl_local.h" |
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convar_t *gl_extensions; |
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convar_t *gl_texture_anisotropy; |
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convar_t *gl_texture_lodbias; |
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convar_t *gl_texture_nearest; |
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convar_t *gl_lightmap_nearest; |
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convar_t *gl_keeptjunctions; |
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convar_t *gl_emboss_scale; |
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convar_t *gl_detailscale; |
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convar_t *gl_check_errors; |
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convar_t *gl_polyoffset; |
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convar_t *gl_wireframe; |
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convar_t *gl_finish; |
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convar_t *gl_nosort; |
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convar_t *gl_vsync; |
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convar_t *gl_clear; |
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convar_t *gl_test; |
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convar_t *gl_msaa; |
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convar_t *gl_stencilbits; |
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convar_t *r_speeds; |
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convar_t *r_fullbright; |
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convar_t *r_norefresh; |
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convar_t *r_showtree; |
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convar_t *r_lighting_extended; |
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convar_t *r_lighting_modulate; |
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convar_t *r_lighting_ambient; |
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convar_t *r_detailtextures; |
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convar_t *r_drawentities; |
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convar_t *r_adjust_fov; |
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convar_t *r_decals; |
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convar_t *r_novis; |
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convar_t *r_nocull; |
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convar_t *r_lockpvs; |
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convar_t *r_lockfrustum; |
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convar_t *r_traceglow; |
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convar_t *r_dynamic; |
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convar_t *r_lightmap; |
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convar_t *gl_round_down; |
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convar_t *r_vbo; |
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convar_t *r_vbo_dlightmode; |
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byte *r_temppool; |
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gl_globals_t tr; |
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glconfig_t glConfig; |
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glstate_t glState; |
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glwstate_t glw_state; |
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/*
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================= |
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GL_SetExtension |
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================= |
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*/ |
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void GL_SetExtension( int r_ext, int enable ) |
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{ |
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if( r_ext >= 0 && r_ext < GL_EXTCOUNT ) |
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glConfig.extension[r_ext] = enable ? GL_TRUE : GL_FALSE; |
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else Con_Printf( S_ERROR "GL_SetExtension: invalid extension %d\n", r_ext ); |
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} |
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/*
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================= |
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GL_Support |
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================= |
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*/ |
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qboolean GL_Support( int r_ext ) |
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{ |
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if( r_ext >= 0 && r_ext < GL_EXTCOUNT ) |
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return glConfig.extension[r_ext] ? true : false; |
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Con_Printf( S_ERROR "GL_Support: invalid extension %d\n", r_ext ); |
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return false; |
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} |
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/*
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================= |
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GL_MaxTextureUnits |
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================= |
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*/ |
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int GL_MaxTextureUnits( void ) |
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{ |
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if( GL_Support( GL_SHADER_GLSL100_EXT )) |
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return Q_min( Q_max( glConfig.max_texture_coords, glConfig.max_teximage_units ), MAX_TEXTURE_UNITS ); |
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return glConfig.max_texture_units; |
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} |
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/*
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================= |
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GL_CheckExtension |
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================= |
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*/ |
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void GL_CheckExtension( const char *name, const dllfunc_t *funcs, const char *cvarname, int r_ext ) |
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{ |
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const dllfunc_t *func; |
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convar_t *parm = NULL; |
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const char *extensions_string; |
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Con_Reportf( "GL_CheckExtension: %s ", name ); |
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GL_SetExtension( r_ext, true ); |
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if( cvarname ) |
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{ |
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// system config disable extensions
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parm = Cvar_Get( cvarname, "1", FCVAR_GLCONFIG, va( CVAR_GLCONFIG_DESCRIPTION, name )); |
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} |
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if(( parm && !CVAR_TO_BOOL( parm )) || ( !CVAR_TO_BOOL( gl_extensions ) && r_ext != GL_OPENGL_110 )) |
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{ |
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Con_Reportf( "- disabled\n" ); |
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GL_SetExtension( r_ext, false ); |
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return; // nothing to process at
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} |
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extensions_string = glConfig.extensions_string; |
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if(( name[2] == '_' || name[3] == '_' ) && !Q_strstr( extensions_string, name )) |
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{ |
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GL_SetExtension( r_ext, false ); // update render info
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Con_Reportf( "- ^1failed\n" ); |
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return; |
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} |
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// clear exports
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for( func = funcs; func && func->name; func++ ) |
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*func->func = NULL; |
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for( func = funcs; func && func->name != NULL; func++ ) |
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{ |
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// functions are cleared before all the extensions are evaluated
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if((*func->func = (void *)GL_GetProcAddress( func->name )) == NULL ) |
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GL_SetExtension( r_ext, false ); // one or more functions are invalid, extension will be disabled
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} |
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if( GL_Support( r_ext )) |
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Con_Reportf( "- ^2enabled\n" ); |
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else Con_Reportf( "- ^1failed\n" ); |
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} |
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/*
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=============== |
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GL_SetDefaultTexState |
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=============== |
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*/ |
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static void GL_SetDefaultTexState( void ) |
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{ |
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int i; |
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memset( glState.currentTextures, -1, MAX_TEXTURE_UNITS * sizeof( *glState.currentTextures )); |
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memset( glState.texCoordArrayMode, 0, MAX_TEXTURE_UNITS * sizeof( *glState.texCoordArrayMode )); |
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memset( glState.genSTEnabled, 0, MAX_TEXTURE_UNITS * sizeof( *glState.genSTEnabled )); |
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for( i = 0; i < MAX_TEXTURE_UNITS; i++ ) |
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{ |
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glState.currentTextureTargets[i] = GL_NONE; |
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glState.texIdentityMatrix[i] = true; |
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} |
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} |
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/*
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=============== |
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GL_SetDefaultState |
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=============== |
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*/ |
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static void GL_SetDefaultState( void ) |
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{ |
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memset( &glState, 0, sizeof( glState )); |
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GL_SetDefaultTexState (); |
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// init draw stack
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tr.draw_list = &tr.draw_stack[0]; |
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tr.draw_stack_pos = 0; |
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} |
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/*
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=============== |
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GL_SetDefaults |
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=============== |
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*/ |
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static void GL_SetDefaults( void ) |
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{ |
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pglFinish(); |
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pglClearColor( 0.5f, 0.5f, 0.5f, 1.0f ); |
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pglDisable( GL_DEPTH_TEST ); |
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pglDisable( GL_CULL_FACE ); |
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pglDisable( GL_SCISSOR_TEST ); |
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pglDepthFunc( GL_LEQUAL ); |
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pglColor4f( 1.0f, 1.0f, 1.0f, 1.0f ); |
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if( vidState.stencilEnabled ) |
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{ |
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pglDisable( GL_STENCIL_TEST ); |
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pglStencilMask( ( GLuint ) ~0 ); |
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pglStencilFunc( GL_EQUAL, 0, ~0 ); |
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pglStencilOp( GL_KEEP, GL_INCR, GL_INCR ); |
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} |
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pglPolygonMode( GL_FRONT_AND_BACK, GL_FILL ); |
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pglPolygonOffset( -1.0f, -2.0f ); |
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GL_CleanupAllTextureUnits(); |
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pglDisable( GL_BLEND ); |
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pglDisable( GL_ALPHA_TEST ); |
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pglDisable( GL_POLYGON_OFFSET_FILL ); |
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pglAlphaFunc( GL_GREATER, DEFAULT_ALPHATEST ); |
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pglEnable( GL_TEXTURE_2D ); |
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pglShadeModel( GL_SMOOTH ); |
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pglFrontFace( GL_CCW ); |
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pglPointSize( 1.2f ); |
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pglLineWidth( 1.2f ); |
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GL_Cull( GL_NONE ); |
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} |
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/*
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================= |
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R_RenderInfo_f |
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================= |
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*/ |
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void R_RenderInfo_f( void ) |
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{ |
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Con_Printf( "\n" ); |
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Con_Printf( "GL_VENDOR: %s\n", glConfig.vendor_string ); |
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Con_Printf( "GL_RENDERER: %s\n", glConfig.renderer_string ); |
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Con_Printf( "GL_VERSION: %s\n", glConfig.version_string ); |
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// don't spam about extensions
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if( host_developer.value >= DEV_EXTENDED ) |
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{ |
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Con_Printf( "GL_EXTENSIONS: %s\n", glConfig.extensions_string ); |
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} |
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Con_Printf( "GL_MAX_TEXTURE_SIZE: %i\n", glConfig.max_2d_texture_size ); |
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if( GL_Support( GL_ARB_MULTITEXTURE )) |
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Con_Printf( "GL_MAX_TEXTURE_UNITS_ARB: %i\n", glConfig.max_texture_units ); |
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if( GL_Support( GL_TEXTURE_CUBEMAP_EXT )) |
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Con_Printf( "GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB: %i\n", glConfig.max_cubemap_size ); |
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if( GL_Support( GL_ANISOTROPY_EXT )) |
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Con_Printf( "GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT: %.1f\n", glConfig.max_texture_anisotropy ); |
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if( GL_Support( GL_TEXTURE_2D_RECT_EXT )) |
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Con_Printf( "GL_MAX_RECTANGLE_TEXTURE_SIZE: %i\n", glConfig.max_2d_rectangle_size ); |
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if( GL_Support( GL_TEXTURE_ARRAY_EXT )) |
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Con_Printf( "GL_MAX_ARRAY_TEXTURE_LAYERS_EXT: %i\n", glConfig.max_2d_texture_layers ); |
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if( GL_Support( GL_SHADER_GLSL100_EXT )) |
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{ |
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Con_Printf( "GL_MAX_TEXTURE_COORDS_ARB: %i\n", glConfig.max_texture_coords ); |
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Con_Printf( "GL_MAX_TEXTURE_IMAGE_UNITS_ARB: %i\n", glConfig.max_teximage_units ); |
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Con_Printf( "GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB: %i\n", glConfig.max_vertex_uniforms ); |
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Con_Printf( "GL_MAX_VERTEX_ATTRIBS_ARB: %i\n", glConfig.max_vertex_attribs ); |
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} |
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Con_Printf( "\n" ); |
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Con_Printf( "MODE: %ix%i\n", vidState.width, vidState.height ); |
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Con_Printf( "\n" ); |
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Con_Printf( "VERTICAL SYNC: %s\n", gl_vsync->value ? "enabled" : "disabled" ); |
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|
Con_Printf( "Color %d bits, Alpha %d bits, Depth %d bits, Stencil %d bits\n", glConfig.color_bits, |
||||||
|
glConfig.alpha_bits, glConfig.depth_bits, glConfig.stencil_bits ); |
||||||
|
} |
||||||
|
|
||||||
|
//=======================================================================
|
||||||
|
|
||||||
|
/*
|
||||||
|
================= |
||||||
|
GL_InitCommands |
||||||
|
================= |
||||||
|
*/ |
||||||
|
void GL_InitCommands( void ) |
||||||
|
{ |
||||||
|
// system screen width and height (don't suppose for change from console at all)
|
||||||
|
Cvar_Get( "width", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "screen width" ); |
||||||
|
Cvar_Get( "height", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "screen height" ); |
||||||
|
r_speeds = Cvar_Get( "r_speeds", "0", FCVAR_ARCHIVE, "shows renderer speeds" ); |
||||||
|
r_fullbright = Cvar_Get( "r_fullbright", "0", FCVAR_CHEAT, "disable lightmaps, get fullbright for entities" ); |
||||||
|
r_norefresh = Cvar_Get( "r_norefresh", "0", 0, "disable 3D rendering (use with caution)" ); |
||||||
|
r_showtree = Cvar_Get( "r_showtree", "0", FCVAR_ARCHIVE, "build the graph of visible BSP tree" ); |
||||||
|
r_lighting_extended = Cvar_Get( "r_lighting_extended", "1", FCVAR_ARCHIVE, "allow to get lighting from world and bmodels" ); |
||||||
|
r_lighting_modulate = Cvar_Get( "r_lighting_modulate", "0.6", FCVAR_ARCHIVE, "lightstyles modulate scale" ); |
||||||
|
r_lighting_ambient = Cvar_Get( "r_lighting_ambient", "0.3", FCVAR_ARCHIVE, "map ambient lighting scale" ); |
||||||
|
r_novis = Cvar_Get( "r_novis", "0", 0, "ignore vis information (perfomance test)" ); |
||||||
|
r_nocull = Cvar_Get( "r_nocull", "0", 0, "ignore frustrum culling (perfomance test)" ); |
||||||
|
r_detailtextures = Cvar_Get( "r_detailtextures", "1", FCVAR_ARCHIVE, "enable detail textures support, use '2' for autogenerate detail.txt" ); |
||||||
|
r_lockpvs = Cvar_Get( "r_lockpvs", "0", FCVAR_CHEAT, "lockpvs area at current point (pvs test)" ); |
||||||
|
r_lockfrustum = Cvar_Get( "r_lockfrustum", "0", FCVAR_CHEAT, "lock frustrum area at current point (cull test)" ); |
||||||
|
r_dynamic = Cvar_Get( "r_dynamic", "1", FCVAR_ARCHIVE, "allow dynamic lighting (dlights, lightstyles)" ); |
||||||
|
r_traceglow = Cvar_Get( "r_traceglow", "1", FCVAR_ARCHIVE, "cull flares behind models" ); |
||||||
|
r_lightmap = Cvar_Get( "r_lightmap", "0", FCVAR_CHEAT, "lightmap debugging tool" ); |
||||||
|
r_drawentities = Cvar_Get( "r_drawentities", "1", FCVAR_CHEAT, "render entities" ); |
||||||
|
r_decals = engine.Cvar_Find( "r_decals" ); |
||||||
|
window_xpos = Cvar_Get( "_window_xpos", "130", FCVAR_RENDERINFO, "window position by horizontal" ); |
||||||
|
window_ypos = Cvar_Get( "_window_ypos", "48", FCVAR_RENDERINFO, "window position by vertical" ); |
||||||
|
|
||||||
|
gl_extensions = Cvar_Get( "gl_allow_extensions", "1", FCVAR_GLCONFIG, "allow gl_extensions" ); |
||||||
|
gl_texture_nearest = Cvar_Get( "gl_texture_nearest", "0", FCVAR_ARCHIVE, "disable texture filter" ); |
||||||
|
gl_lightmap_nearest = Cvar_Get( "gl_lightmap_nearest", "0", FCVAR_ARCHIVE, "disable lightmap filter" ); |
||||||
|
gl_check_errors = Cvar_Get( "gl_check_errors", "1", FCVAR_ARCHIVE, "ignore video engine errors" ); |
||||||
|
gl_vsync = engine.Cvar_Find( "gl_vsync" ); |
||||||
|
gl_detailscale = Cvar_Get( "gl_detailscale", "4.0", FCVAR_ARCHIVE, "default scale applies while auto-generate list of detail textures" ); |
||||||
|
gl_texture_anisotropy = Cvar_Get( "gl_anisotropy", "8", FCVAR_ARCHIVE, "textures anisotropic filter" ); |
||||||
|
gl_texture_lodbias = Cvar_Get( "gl_texture_lodbias", "0.0", FCVAR_ARCHIVE, "LOD bias for mipmapped textures (perfomance|quality)" ); |
||||||
|
gl_keeptjunctions = Cvar_Get( "gl_keeptjunctions", "1", FCVAR_ARCHIVE, "removing tjuncs causes blinking pixels" ); |
||||||
|
gl_emboss_scale = Cvar_Get( "gl_emboss_scale", "0", FCVAR_ARCHIVE|FCVAR_LATCH, "fake bumpmapping scale" ); |
||||||
|
gl_showtextures = engine.Cvar_Find( "r_showtextures" ); |
||||||
|
gl_finish = Cvar_Get( "gl_finish", "0", FCVAR_ARCHIVE, "use glFinish instead of glFlush" ); |
||||||
|
gl_nosort = Cvar_Get( "gl_nosort", "0", FCVAR_ARCHIVE, "disable sorting of translucent surfaces" ); |
||||||
|
gl_clear = Cvar_Get( "gl_clear", "0", FCVAR_ARCHIVE, "clearing screen after each frame" ); |
||||||
|
gl_test = Cvar_Get( "gl_test", "0", 0, "engine developer cvar for quick testing new features" ); |
||||||
|
gl_wireframe = Cvar_Get( "gl_wireframe", "0", FCVAR_ARCHIVE|FCVAR_SPONLY, "show wireframe overlay" ); |
||||||
|
gl_wgl_msaa_samples = Cvar_Get( "gl_wgl_msaa_samples", "0", FCVAR_GLCONFIG, "samples number for multisample anti-aliasing" ); |
||||||
|
gl_msaa = Cvar_Get( "gl_msaa", "1", FCVAR_ARCHIVE, "enable or disable multisample anti-aliasing" ); |
||||||
|
gl_stencilbits = Cvar_Get( "gl_stencilbits", "8", FCVAR_GLCONFIG, "pixelformat stencil bits (0 - auto)" ); |
||||||
|
gl_round_down = Cvar_Get( "gl_round_down", "2", FCVAR_RENDERINFO, "round texture sizes to nearest POT value" ); |
||||||
|
// these cvar not used by engine but some mods requires this
|
||||||
|
gl_polyoffset = Cvar_Get( "gl_polyoffset", "2.0", FCVAR_ARCHIVE, "polygon offset for decals" ); |
||||||
|
|
||||||
|
// make sure gl_vsync is checked after vid_restart
|
||||||
|
SetBits( gl_vsync->flags, FCVAR_CHANGED ); |
||||||
|
|
||||||
|
vid_gamma = Cvar_Get( "gamma", "2.5", FCVAR_ARCHIVE, "gamma amount" ); |
||||||
|
vid_brightness = Cvar_Get( "brightness", "0.0", FCVAR_ARCHIVE, "brightness factor" ); |
||||||
|
vid_fullscreen = engine.Cvar_Find( "fullscreen" ); |
||||||
|
vid_displayfrequency = engine.Cvar_Find ( "vid_displayfrequency" ); |
||||||
|
vid_highdpi = Cvar_Get( "vid_highdpi", "1", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "enable High-DPI mode" ); |
||||||
|
|
||||||
|
Cmd_AddCommand( "r_info", R_RenderInfo_f, "display renderer info" ); |
||||||
|
Cmd_AddCommand( "timerefresh", SCR_TimeRefresh_f, "turn quickly and print rendering statistcs" ); |
||||||
|
|
||||||
|
// a1ba: planned to be named vid_mode for compability
|
||||||
|
// but supported mode list is filled by backends, so numbers are not portable any more
|
||||||
|
Cmd_AddCommand( "vid_setmode", VID_Mode_f, "display video mode" ); |
||||||
|
|
||||||
|
// give initial OpenGL configuration
|
||||||
|
host.apply_opengl_config = true; |
||||||
|
Cbuf_AddText( "exec opengl.cfg\n" ); |
||||||
|
Cbuf_Execute(); |
||||||
|
host.apply_opengl_config = false; |
||||||
|
|
||||||
|
// apply actual video mode to window
|
||||||
|
Cbuf_AddText( "exec video.cfg\n" ); |
||||||
|
Cbuf_Execute(); |
||||||
|
} |
||||||
|
|
||||||
|
/*
|
||||||
|
=============== |
||||||
|
R_CheckVBO |
||||||
|
|
||||||
|
register VBO cvars and get default value |
||||||
|
=============== |
||||||
|
*/ |
||||||
|
static void R_CheckVBO( void ) |
||||||
|
{ |
||||||
|
const char *def = "1"; |
||||||
|
const char *dlightmode = "1"; |
||||||
|
int flags = FCVAR_ARCHIVE; |
||||||
|
qboolean disable = false; |
||||||
|
|
||||||
|
// some bad GLES1 implementations breaks dlights completely
|
||||||
|
if( glConfig.max_texture_units < 3 ) |
||||||
|
disable = true; |
||||||
|
|
||||||
|
#ifdef XASH_MOBILE_PLATFORM |
||||||
|
// VideoCore4 drivers have a problem with mixing VBO and client arrays
|
||||||
|
// Disable it, as there is no suitable workaround here
|
||||||
|
if( Q_stristr( glConfig.renderer_string, "VideoCore IV" ) || Q_stristr( glConfig.renderer_string, "vc4" ) ) |
||||||
|
disable = true; |
||||||
|
|
||||||
|
// dlightmode 1 is not too much tested on android
|
||||||
|
// so better to left it off
|
||||||
|
dlightmode = "0"; |
||||||
|
#endif |
||||||
|
|
||||||
|
if( disable ) |
||||||
|
{ |
||||||
|
// do not keep in config unless dev > 3 and enabled
|
||||||
|
flags = 0; |
||||||
|
def = "0"; |
||||||
|
} |
||||||
|
|
||||||
|
r_vbo = Cvar_Get( "r_vbo", def, flags, "draw world using VBO" ); |
||||||
|
r_vbo_dlightmode = Cvar_Get( "r_vbo_dlightmode", dlightmode, FCVAR_ARCHIVE, "vbo dlight rendering mode(0-1)" ); |
||||||
|
|
||||||
|
// check if enabled manually
|
||||||
|
if( CVAR_TO_BOOL(r_vbo) ) |
||||||
|
r_vbo->flags |= FCVAR_ARCHIVE; |
||||||
|
} |
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
=============== |
||||||
|
R_Init |
||||||
|
=============== |
||||||
|
*/ |
||||||
|
qboolean R_Init( void ) |
||||||
|
{ |
||||||
|
if( glw_state.initialized ) |
||||||
|
return true; |
||||||
|
|
||||||
|
GL_InitCommands(); |
||||||
|
GL_InitRandomTable(); |
||||||
|
|
||||||
|
// Set screen resolution and fullscreen mode if passed in on command line.
|
||||||
|
// This is done after executing opengl.cfg, as the command line values should take priority.
|
||||||
|
SetWidthAndHeightFromCommandLine(); |
||||||
|
SetFullscreenModeFromCommandLine(); |
||||||
|
|
||||||
|
GL_SetDefaultState(); |
||||||
|
|
||||||
|
// create the window and set up the context
|
||||||
|
if( !R_Init_Video( )) |
||||||
|
{ |
||||||
|
GL_RemoveCommands(); |
||||||
|
R_Free_Video(); |
||||||
|
|
||||||
|
Sys_Error( "Can't initialize video subsystem\nProbably driver was not installed" ); |
||||||
|
return false; |
||||||
|
} |
||||||
|
|
||||||
|
host.renderinfo_changed = false; |
||||||
|
r_temppool = Mem_AllocPool( "Render Zone" ); |
||||||
|
|
||||||
|
GL_SetDefaults(); |
||||||
|
R_CheckVBO(); |
||||||
|
R_InitImages(); |
||||||
|
R_SpriteInit(); |
||||||
|
R_StudioInit(); |
||||||
|
R_AliasInit(); |
||||||
|
R_ClearDecals(); |
||||||
|
R_ClearScene(); |
||||||
|
|
||||||
|
// initialize screen
|
||||||
|
SCR_Init(); |
||||||
|
|
||||||
|
return true; |
||||||
|
} |
||||||
|
|
||||||
|
/*
|
||||||
|
=============== |
||||||
|
R_Shutdown |
||||||
|
=============== |
||||||
|
*/ |
||||||
|
void R_Shutdown( void ) |
||||||
|
{ |
||||||
|
model_t *mod; |
||||||
|
int i; |
||||||
|
|
||||||
|
if( !glw_state.initialized ) |
||||||
|
return; |
||||||
|
|
||||||
|
// release SpriteTextures
|
||||||
|
for( i = 1, mod = clgame.sprites; i < MAX_CLIENT_SPRITES; i++, mod++ ) |
||||||
|
{ |
||||||
|
if( !mod->name[0] ) continue; |
||||||
|
Mod_UnloadSpriteModel( mod ); |
||||||
|
} |
||||||
|
memset( clgame.sprites, 0, sizeof( clgame.sprites )); |
||||||
|
|
||||||
|
GL_RemoveCommands(); |
||||||
|
R_ShutdownImages(); |
||||||
|
|
||||||
|
Mem_FreePool( &r_temppool ); |
||||||
|
|
||||||
|
// shut down OS specific OpenGL stuff like contexts, etc.
|
||||||
|
R_Free_Video(); |
||||||
|
} |
||||||
|
|
||||||
|
/*
|
||||||
|
================= |
||||||
|
GL_ErrorString |
||||||
|
convert errorcode to string |
||||||
|
================= |
||||||
|
*/ |
||||||
|
const char *GL_ErrorString( int err ) |
||||||
|
{ |
||||||
|
switch( err ) |
||||||
|
{ |
||||||
|
case GL_STACK_OVERFLOW: |
||||||
|
return "GL_STACK_OVERFLOW"; |
||||||
|
case GL_STACK_UNDERFLOW: |
||||||
|
return "GL_STACK_UNDERFLOW"; |
||||||
|
case GL_INVALID_ENUM: |
||||||
|
return "GL_INVALID_ENUM"; |
||||||
|
case GL_INVALID_VALUE: |
||||||
|
return "GL_INVALID_VALUE"; |
||||||
|
case GL_INVALID_OPERATION: |
||||||
|
return "GL_INVALID_OPERATION"; |
||||||
|
case GL_OUT_OF_MEMORY: |
||||||
|
return "GL_OUT_OF_MEMORY"; |
||||||
|
default: |
||||||
|
return "UNKNOWN ERROR"; |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
/*
|
||||||
|
================= |
||||||
|
GL_CheckForErrors |
||||||
|
obsolete |
||||||
|
================= |
||||||
|
*/ |
||||||
|
void GL_CheckForErrors_( const char *filename, const int fileline ) |
||||||
|
{ |
||||||
|
int err; |
||||||
|
|
||||||
|
if( !CVAR_TO_BOOL( gl_check_errors )) |
||||||
|
return; |
||||||
|
|
||||||
|
if(( err = pglGetError( )) == GL_NO_ERROR ) |
||||||
|
return; |
||||||
|
|
||||||
|
Con_Printf( S_OPENGL_ERROR "%s (called at %s:%i)\n", GL_ErrorString( err ), filename, fileline ); |
||||||
|
} |
||||||
|
|
||||||
Loading…
Reference in new issue