mirror of
https://github.com/nzp-team/fteqw.git
synced 2024-11-30 07:31:13 +00:00
2afefb77ca
$diffuse can now sample animmaps correctly (although this only makes sense when using glsl or replacement shaders (read: rtlights)). $fullbright now defaults according to the animmap too. added reflectcube and reflectmask (the latter defaults according to map/animmap, the former needs to be explicitly stated). fix d3d9+d3d11 renderers a little. needs much more work. git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4868 fc73d0e0-1445-4013-8a0c-d673dee63da5
530 lines
16 KiB
C
530 lines
16 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// draw.c -- this is the only file outside the refresh that touches the
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// vid buffer
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#include "quakedef.h"
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#ifdef GLQUAKE
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#include "glquake.h"
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#include "shader.h"
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#include "gl_draw.h"
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extern cvar_t gl_max_size;
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extern cvar_t gl_picmip;
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extern cvar_t gl_lerpimages;
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extern cvar_t gl_picmip2d;
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extern cvar_t gl_compress;
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extern cvar_t gl_smoothcrosshair;
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extern cvar_t gl_texturemode, gl_texture_anisotropic_filtering;
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float gl_anisotropy_factor;
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static int gl_filter_pic[3]; //ui elements
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static int gl_filter_mip[3]; //everything else
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int gl_mipcap_min = 0;
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int gl_mipcap_max = 1000;
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void GL_DestroyTexture(texid_t tex)
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{
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if (!tex)
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return;
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if (tex->num)
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qglDeleteTextures(1, &tex->num);
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tex->num = 0;
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}
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/*
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===============
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Draw_Init
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===============
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*/
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void GLDraw_Init (void)
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{
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R2D_Init();
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TRACE(("dbg: GLDraw_ReInit: GL_BeginRendering\n"));
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GL_BeginRendering ();
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TRACE(("dbg: GLDraw_ReInit: SCR_DrawLoading\n"));
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qglDisable(GL_SCISSOR_TEST);
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GL_Set2D(false);
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qglClearColor(0, 0, 0, 1);
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qglClear(GL_COLOR_BUFFER_BIT);
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{
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mpic_t *pic = R2D_SafeCachePic ("gfx/loading.lmp");
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if (pic)
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R2D_ScalePic ( ((int)vid.width - pic->width)/2,
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((int)vid.height - 48 - pic->height)/2, pic->width, pic->height, pic);
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}
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TRACE(("dbg: GLDraw_ReInit: GL_EndRendering\n"));
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GL_EndRendering ();
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VID_SwapBuffers();
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GL_SetupSceneProcessingTextures();
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//
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// get the other pics we need
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//
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TRACE(("dbg: GLDraw_ReInit: R2D_SafePicFromWad\n"));
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draw_disc = R2D_SafePicFromWad ("disc");
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#ifdef GL_USE8BITTEX
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inited15to8 = false;
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#endif
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qglClearColor (1,0,0,1);
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TRACE(("dbg: GLDraw_ReInit: PPL_LoadSpecularFragmentProgram\n"));
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GL_InitSceneProcessingShaders();
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// Cmd_AddCommandD ("r_imagelist", GLDraw_ImageList_f, "Debug command. Reveals current list of loaded images.");
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}
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void GLDraw_DeInit (void)
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{
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Cmd_RemoveCommand ("r_imagelist");
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R2D_Shutdown();
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R_GAliasFlushSkinCache(true);
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draw_disc = NULL;
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GL_ShutdownPostProcessing();
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#ifdef RTLIGHTS
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Sh_Shutdown();
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#endif
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Shader_Shutdown();
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}
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//=============================================================================
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/*
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================
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GL_Set2D
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Setup as if the screen was 320*200
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================
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*/
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void GL_Set2D (qboolean flipped)
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{
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extern cvar_t gl_screenangle;
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float rad, ang;
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float tmp[16], tmp2[16];
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float w = vid.width, h = vid.height;
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qboolean fbo = !!*r_refdef.rt_destcolour[0].texname;
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if (fbo)
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{
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R2D_RT_GetTexture(r_refdef.rt_destcolour[0].texname, &vid.fbpwidth, &vid.fbpheight);
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vid.fbvwidth = vid.fbpwidth;
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vid.fbvheight = vid.fbpheight;
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if (strcmp(r_refdef.rt_destcolour[0].texname, "megascreeny"))
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flipped ^= true;
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}
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else
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{
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vid.fbvwidth = vid.width;
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vid.fbvheight = vid.height;
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vid.fbpwidth = vid.pixelwidth;
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vid.fbpheight = vid.pixelheight;
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}
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ang = (gl_screenangle.value>0?(gl_screenangle.value+45):(gl_screenangle.value-45))/90;
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ang = (int)ang * 90;
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if (ang && !fbo)
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{ /*more expensive maths*/
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rad = (ang * M_PI) / 180;
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w = fabs(cos(rad)) * (vid.width) + fabs(sin(rad)) * (vid.height);
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h = fabs(sin(rad)) * (vid.width) + fabs(cos(rad)) * (vid.height);
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Matrix4x4_CM_Orthographic(r_refdef.m_projection, w/-2.0f, w/2.0f, h/2.0f, h/-2.0f, -99999, 99999);
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Matrix4x4_Identity(tmp);
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Matrix4_Multiply(Matrix4x4_CM_NewTranslation((vid.width/-2.0f), (vid.height/-2.0f), 0), tmp, tmp2);
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Matrix4_Multiply(Matrix4x4_CM_NewRotation(-ang, 0, 0, 1), tmp2, r_refdef.m_view);
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}
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else
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{
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w = vid.fbvwidth;
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h = vid.fbvheight;
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if (flipped)
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Matrix4x4_CM_Orthographic(r_refdef.m_projection, 0, w, 0, h, -99999, 99999);
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else
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Matrix4x4_CM_Orthographic(r_refdef.m_projection, 0, w, h, 0, -99999, 99999);
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Matrix4x4_Identity(r_refdef.m_view);
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}
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//current physical position on the current render target.
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r_refdef.pxrect.x = 0;
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r_refdef.pxrect.y = 0;
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r_refdef.pxrect.width = vid.fbpwidth;
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r_refdef.pxrect.height = vid.fbpheight;
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r_refdef.pxrect.maxheight = vid.fbpheight;
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r_refdef.time = realtime;
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/*flush that gl state*/
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GL_ViewportUpdate();
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if (qglLoadMatrixf)
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{
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qglMatrixMode(GL_PROJECTION);
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qglLoadMatrixf(r_refdef.m_projection);
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qglMatrixMode(GL_MODELVIEW);
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qglLoadMatrixf(r_refdef.m_view);
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}
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GL_SetShaderState2D(true);
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}
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//====================================================================
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#ifndef GL_COMPRESSED_RGB_S3TC_DXT1_EXT
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#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT 0x83F0
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#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT 0x83F1
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#define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT 0x83F2
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#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT 0x83F3
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#endif
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//note: needs to be bound first, so the 'targ' argument shouldn't be a problem.
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static void GL_Texturemode_Apply(GLenum targ, unsigned int flags)
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{
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int min, mag;
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int *filter = (flags & IF_UIPIC)?gl_filter_pic:gl_filter_mip;
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if (targ == GL_TEXTURE_CUBE_MAP_ARB)
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flags |= IF_NOMIPMAP;
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if ((filter[2] && !(flags & IF_NEAREST)) || (flags & IF_LINEAR))
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mag = GL_LINEAR;
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else
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mag = GL_NEAREST;
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if (filter[1] == -1 || (flags & IF_NOMIPMAP))
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{
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if ((filter[0] && !(flags & IF_NEAREST)) || (flags & IF_LINEAR))
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min = GL_LINEAR;
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else
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min = GL_NEAREST;
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}
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else
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{
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if ((filter[1] && !(flags & IF_NEAREST)) || (flags & IF_LINEAR))
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{
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if (filter[0] && !(flags & IF_NEAREST) || (flags & IF_LINEAR))
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min = GL_LINEAR_MIPMAP_LINEAR;
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else
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min = GL_NEAREST_MIPMAP_LINEAR;
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}
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else
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{
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if ((filter[0] && !(flags & IF_NEAREST)) || (flags & IF_LINEAR))
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min = GL_LINEAR_MIPMAP_NEAREST;
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else
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min = GL_NEAREST_MIPMAP_NEAREST;
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}
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}
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qglTexParameteri(targ, GL_TEXTURE_MIN_FILTER, min);
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qglTexParameteri(targ, GL_TEXTURE_MAG_FILTER, mag);
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if (gl_anisotropy_factor) //0 means driver doesn't support
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{
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//only use anisotrophy when using linear any linear, because of drivers that forces linear sampling when anis is active (annoyingly this is allowed by the spec).
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if ((min == GL_LINEAR_MIPMAP_LINEAR || min == GL_LINEAR_MIPMAP_NEAREST) && mag == GL_LINEAR)
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qglTexParameterf(targ, GL_TEXTURE_MAX_ANISOTROPY_EXT, gl_anisotropy_factor);
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else
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qglTexParameterf(targ, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1);
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}
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}
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qboolean GL_LoadTextureMips(texid_t tex, struct pendingtextureinfo *mips)
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{
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static int cubeface[] =
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{
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GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB,
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GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB,
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GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB,
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GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB,
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GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB,
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GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB
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};
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int targ, targface;
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int i, j;
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if (gl_config.gles)
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{
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//gles requires that the internal format must match format
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//this means we can't specify 24.0 modes with a 24.8 datatype.
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//arguably we shouldn't do this anyway, but there are differences that q3 shaders can notice.
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//fixme: move elsewhere?
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if (mips->encoding == PTI_RGBX8)
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mips->encoding = PTI_RGBA8;
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if (mips->encoding == PTI_BGRX8)
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mips->encoding = PTI_BGRA8;
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}
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if (!tex->num)
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qglGenTextures(1, &tex->num);
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switch((tex->flags & IF_TEXTYPE) >> IF_TEXTYPESHIFT)
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{
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default:
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case 0:
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targ = GL_TEXTURE_2D;
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break;
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case 1:
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targ = GL_TEXTURE_3D;
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break;
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case 2:
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targ = GL_TEXTURE_CUBE_MAP_ARB;
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break;
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}
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GL_MTBind(0, targ, tex);
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if (tex->flags&IF_CLAMP)
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{
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qglTexParameteri(targ, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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qglTexParameteri(targ, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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if (targ != GL_TEXTURE_2D)
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qglTexParameteri(targ, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
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}
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else
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{
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qglTexParameteri(targ, GL_TEXTURE_WRAP_S, GL_REPEAT);
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qglTexParameteri(targ, GL_TEXTURE_WRAP_T, GL_REPEAT);
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if (targ != GL_TEXTURE_2D)
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qglTexParameteri(targ, GL_TEXTURE_WRAP_R, GL_REPEAT);
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}
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//make sure the texture is complete even if the mips are not.
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//note that some drivers will just ignore levels that are not valid.
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//this means that we can't make this setting dynamic, so we might as well let the drivers know BEFORE we do the uploads, to be kind to those that are buggy..
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//this is available in gles3
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if (!gl_config.gles)
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{
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if (targ != GL_TEXTURE_CUBE_MAP_ARB)
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{
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if (tex->flags & IF_MIPCAP)
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{
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qglTexParameteri(targ, GL_TEXTURE_BASE_LEVEL, min(mips->mipcount-1, gl_mipcap_min));
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qglTexParameteri(targ, GL_TEXTURE_MAX_LEVEL, min(mips->mipcount-1, gl_mipcap_max));
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}
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else
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{
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qglTexParameteri(targ, GL_TEXTURE_BASE_LEVEL, 0);
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qglTexParameteri(targ, GL_TEXTURE_MAX_LEVEL, mips->mipcount-1);
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}
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}
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}
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tex->width = mips->mip[0].width;
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tex->height = mips->mip[0].height;
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GL_Texturemode_Apply(targ, tex->flags);
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if (targ == GL_TEXTURE_3D)
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{
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targface = targ;
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for (i = 0; i < mips->mipcount; i++)
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{
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int size = mips->mip[i].height;
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switch(mips->encoding)
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{
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case PTI_RGBX8:
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qglTexImage3D(targface, i, GL_RGB, size, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, mips->mip[i].data);
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break;
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case PTI_RGBA8:
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qglTexImage3D(targface, i, GL_RGBA, size, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, mips->mip[i].data);
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break;
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case PTI_BGRX8:
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qglTexImage3D(targface, i, GL_RGB, size, size, size, 0, GL_BGRA_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, mips->mip[i].data);
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break;
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case PTI_BGRA8:
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default:
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qglTexImage3D(targface, i, GL_RGBA, size, size, size, 0, GL_BGRA_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, mips->mip[i].data);
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break;
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case PTI_RGBA4444:
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qglTexImage3D(targface, i, GL_RGBA, size, size, size, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, mips->mip[i].data);
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break;
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case PTI_RGBA5551:
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qglTexImage3D(targface, i, GL_RGBA, size, size, size, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, mips->mip[i].data);
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break;
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case PTI_RGB565:
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qglTexImage3D(targface, i, GL_RGB, size, size, size, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, mips->mip[i].data);
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break;
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}
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if (mips->mip[i].needfree)
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Z_Free(mips->mip[i].data);
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}
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}
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else
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{
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//2d or cubemaps
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for (i = 0; i < mips->mipcount; i++)
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{
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if (tex->flags & IF_TEXTYPE)
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{
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targface = cubeface[i];
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j = 0;
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}
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else
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{
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targface = targ;
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j = i;
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}
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switch(mips->encoding)
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{
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#ifdef FTE_TARGET_WEB
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case PTI_WHOLEFILE:
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if (!i)
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emscriptenfte_gl_loadtexturefile(tex->num, &tex->width, &tex->height, mips->mip[i].data, mips->mip[i].datasize);
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break;
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#endif
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case PTI_DEPTH16:
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qglTexImage2D(targface, j, gl_config.gles?GL_DEPTH_COMPONENT:GL_DEPTH_COMPONENT16_ARB, mips->mip[i].width, mips->mip[i].height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, mips->mip[i].data);
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break;
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case PTI_DEPTH24:
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qglTexImage2D(targface, j, gl_config.gles?GL_DEPTH_COMPONENT:GL_DEPTH_COMPONENT24_ARB, mips->mip[i].width, mips->mip[i].height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, mips->mip[i].data);
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break;
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case PTI_DEPTH32:
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qglTexImage2D(targface, j, gl_config.gles?GL_DEPTH_COMPONENT:GL_DEPTH_COMPONENT32_ARB, mips->mip[i].width, mips->mip[i].height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_INT, mips->mip[i].data);
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break;
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case PTI_DEPTH24_8:
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qglTexImage2D(targface, j, GL_DEPTH24_STENCIL8_EXT, mips->mip[i].width, mips->mip[i].height, 0, GL_DEPTH_STENCIL_EXT, GL_UNSIGNED_INT_24_8_EXT, mips->mip[i].data);
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break;
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//32bit formats
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case PTI_RGBX8:
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qglTexImage2D(targface, j, GL_RGB, mips->mip[i].width, mips->mip[i].height, 0, GL_RGBA, GL_UNSIGNED_BYTE, mips->mip[i].data);
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break;
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case PTI_RGBA8:
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qglTexImage2D(targface, j, GL_RGBA, mips->mip[i].width, mips->mip[i].height, 0, GL_RGBA, GL_UNSIGNED_BYTE, mips->mip[i].data);
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break;
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case PTI_BGRX8:
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qglTexImage2D(targface, j, GL_RGB, mips->mip[i].width, mips->mip[i].height, 0, GL_BGRA_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, mips->mip[i].data);
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break;
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case PTI_BGRA8:
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default:
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qglTexImage2D(targface, j, GL_RGBA, mips->mip[i].width, mips->mip[i].height, 0, GL_BGRA_EXT, GL_UNSIGNED_INT_8_8_8_8_REV, mips->mip[i].data);
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break;
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case PTI_RGBA16F:
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qglTexImage2D(targface, j, GL_RGBA16F_ARB, mips->mip[i].width, mips->mip[i].height, 0, GL_RGBA, GL_UNSIGNED_BYTE, mips->mip[i].data);
|
|
break;
|
|
case PTI_RGBA32F:
|
|
qglTexImage2D(targface, j, GL_RGBA32F_ARB, mips->mip[i].width, mips->mip[i].height, 0, GL_RGBA, GL_UNSIGNED_BYTE, mips->mip[i].data);
|
|
break;
|
|
//16bit formats
|
|
case PTI_RGBA4444:
|
|
qglTexImage2D(targface, j, GL_RGBA, mips->mip[i].width, mips->mip[i].height, 0, GL_RGBA, GL_UNSIGNED_SHORT_4_4_4_4, mips->mip[i].data);
|
|
break;
|
|
case PTI_RGBA5551:
|
|
qglTexImage2D(targface, j, GL_RGBA, mips->mip[i].width, mips->mip[i].height, 0, GL_RGBA, GL_UNSIGNED_SHORT_5_5_5_1, mips->mip[i].data);
|
|
break;
|
|
case PTI_ARGB4444:
|
|
qglTexImage2D(targface, j, GL_RGBA, mips->mip[i].width, mips->mip[i].height, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_4_4_4_4_REV, mips->mip[i].data);
|
|
break;
|
|
case PTI_ARGB1555:
|
|
qglTexImage2D(targface, j, GL_RGBA, mips->mip[i].width, mips->mip[i].height, 0, GL_BGRA_EXT, GL_UNSIGNED_SHORT_1_5_5_5_REV, mips->mip[i].data);
|
|
break;
|
|
case PTI_RGB565:
|
|
qglTexImage2D(targface, j, GL_RGB, mips->mip[i].width, mips->mip[i].height, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, mips->mip[i].data);
|
|
break;
|
|
//compressed formats
|
|
case PTI_S3RGB1:
|
|
qglCompressedTexImage2DARB(targface, j, GL_COMPRESSED_RGB_S3TC_DXT1_EXT, mips->mip[i].width, mips->mip[i].height, 0, mips->mip[i].datasize, mips->mip[i].data);
|
|
break;
|
|
case PTI_S3RGBA1:
|
|
qglCompressedTexImage2DARB(targface, j, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, mips->mip[i].width, mips->mip[i].height, 0, mips->mip[i].datasize, mips->mip[i].data);
|
|
break;
|
|
case PTI_S3RGBA3:
|
|
qglCompressedTexImage2DARB(targface, j, GL_COMPRESSED_RGBA_S3TC_DXT3_EXT, mips->mip[i].width, mips->mip[i].height, 0, mips->mip[i].datasize, mips->mip[i].data);
|
|
break;
|
|
case PTI_S3RGBA5:
|
|
qglCompressedTexImage2DARB(targface, j, GL_COMPRESSED_RGBA_S3TC_DXT5_EXT, mips->mip[i].width, mips->mip[i].height, 0, mips->mip[i].datasize, mips->mip[i].data);
|
|
break;
|
|
}
|
|
if (mips->mip[i].needfree)
|
|
Z_Free(mips->mip[i].data);
|
|
}
|
|
}
|
|
|
|
if (mips->extrafree)
|
|
Z_Free(mips->extrafree);
|
|
return true;
|
|
}
|
|
|
|
void GL_UpdateFiltering(image_t *imagelist, int filtermip[3], int filterpic[3], int mipcap[2], float anis)
|
|
{
|
|
int targ;
|
|
image_t *img;
|
|
|
|
gl_mipcap_min = mipcap[0];
|
|
gl_mipcap_max = mipcap[1];
|
|
|
|
VectorCopy(filterpic, gl_filter_pic);
|
|
VectorCopy(filtermip, gl_filter_mip);
|
|
|
|
//bound carefully, so that we get 0 if anisrophy is not supported at all (1 is fine). we can then test against 0 (which is an otherwise-invalid value) avoiding gl errors.
|
|
if (anis > gl_config.ext_texture_filter_anisotropic)
|
|
gl_anisotropy_factor = gl_config.ext_texture_filter_anisotropic;
|
|
else if (anis < 1)
|
|
gl_anisotropy_factor = 1;
|
|
else
|
|
gl_anisotropy_factor = anis;
|
|
|
|
// change all the existing mipmap texture objects
|
|
for (img=imagelist ; img ; img=img->next)
|
|
{
|
|
if (img->status != TEX_LOADED)
|
|
continue;
|
|
switch((img->flags & IF_TEXTYPE) >> IF_TEXTYPESHIFT)
|
|
{
|
|
case 0:
|
|
targ = GL_TEXTURE_2D;
|
|
break;
|
|
case 1:
|
|
targ = GL_TEXTURE_3D;
|
|
break;
|
|
default:
|
|
targ = GL_TEXTURE_CUBE_MAP_ARB;
|
|
break;
|
|
}
|
|
|
|
GL_MTBind(0, targ, img);
|
|
GL_Texturemode_Apply(targ, img->flags);
|
|
|
|
//should we do dynamic mipcap settings? this bugs out ATI.
|
|
/*
|
|
if (!gl_config.gles && (tex->flags & IF_MIPCAP))
|
|
{
|
|
qglTexParameteri(targ, GL_TEXTURE_BASE_LEVEL, gl_mipcap_min);
|
|
qglTexParameteri(targ, GL_TEXTURE_MAX_LEVEL, gl_mipcap_max);
|
|
}
|
|
*/
|
|
}
|
|
}
|
|
|
|
#endif
|