Clean up GL extensions a bit to only have the stuff the engine actually uses.
authorhavoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Tue, 22 May 2018 02:09:42 +0000 (02:09 +0000)
committerhavoc <havoc@d7cf8633-e32d-0410-b094-e92efae38249>
Tue, 22 May 2018 02:09:42 +0000 (02:09 +0000)
Remove a few things that offend GL3.2 Core Profile.

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@12433 d7cf8633-e32d-0410-b094-e92efae38249

gl_backend.c
gl_textures.c
glquake.h
vid_shared.c

index 691f6ee..fcaeeb2 100644 (file)
@@ -1655,8 +1655,7 @@ unsigned int GL_Backend_CompileProgram(int vertexstrings_count, const char **ver
        qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD6, "Attrib_SkeletalIndex");
        qglBindAttribLocation(programobject, GLSLATTRIB_TEXCOORD7, "Attrib_SkeletalWeight");
 #ifndef USE_GLES2
-       if(vid.support.gl20shaders130)
-               qglBindFragDataLocation(programobject, 0, "dp_FragColor");
+       qglBindFragDataLocation(programobject, 0, "dp_FragColor");
 #endif
        CHECKGLERROR
 
index f282068..bae6104 100644 (file)
@@ -897,13 +897,11 @@ static void GL_SetupTextureParameters(int flags, textype_t textype, int texturet
        case TEXTYPE_SHADOWMAP24_COMP:
                qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_R_TO_TEXTURE_ARB);CHECKGLERROR
                qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);CHECKGLERROR
-               qglTexParameteri(textureenum, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE);CHECKGLERROR
                break;
        case TEXTYPE_SHADOWMAP16_RAW:
        case TEXTYPE_SHADOWMAP24_RAW:
                qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);CHECKGLERROR
                qglTexParameteri(textureenum, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);CHECKGLERROR
-               qglTexParameteri(textureenum, GL_DEPTH_TEXTURE_MODE_ARB, GL_LUMINANCE);CHECKGLERROR
                break;
        default:
                break;
index 38ec3d7..4026c29 100644 (file)
--- a/glquake.h
+++ b/glquake.h
@@ -1,61 +1,37 @@
-/*
-Copyright (C) 1996-1997 Id Software, Inc.
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-
-See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
-
-*/
-
 #ifndef GLQUAKE_H
 #define GLQUAKE_H
 
+#include <stddef.h>
+
 #ifdef USE_GLES2
 #ifdef __IPHONEOS__
 #include <OpenGLES/ES2/gl.h>
 #else
 #include <SDL_opengles2.h>
 #endif
-// used in R_SetupShader_Generic calls, not actually passed to GL
-#ifndef GL_MODULATE
-#define GL_MODULATE                            0x2100
-#define GL_DECAL                          0x2101
-#define GL_ADD                            0x0104
-#endif
 #endif
 
 // disable data conversion warnings
 
 #ifdef _MSC_VER
-#pragma warning(disable : 4310) // LordHavoc: MSVC++ 2008 x86: cast truncates constant value
-#pragma warning(disable : 4245) // LordHavoc: MSVC++ 2008 x86: 'initializing' : conversion from 'int' to 'unsigned char', signed/unsigned mismatch
-#pragma warning(disable : 4204) // LordHavoc: MSVC++ 2008 x86: nonstandard extension used : non-constant aggregate initializer
-//#pragma warning(disable : 4267) // LordHavoc: MSVC++ 2008 x64, conversion from 'size_t' to 'int', possible loss of data
-//#pragma warning(disable : 4244)     // LordHavoc: MSVC++ 4 x86, double/float
-//#pragma warning(disable : 4305)              // LordHavoc: MSVC++ 6 x86, double/float
-//#pragma warning(disable : 4706)              // LordHavoc: MSVC++ 2008 x86, assignment within conditional expression
-//#pragma warning(disable : 4127)              // LordHavoc: MSVC++ 2008 x86, conditional expression is constant
-//#pragma warning(disable : 4100)              // LordHavoc: MSVC++ 2008 x86, unreferenced formal parameter
-//#pragma warning(disable : 4055)              // LordHavoc: MSVC++ 2008 x86, 'type cast' from data pointer   to function pointer
-//#pragma warning(disable : 4054)              // LordHavoc: MSVC++ 2008 x86, 'type cast' from function pointer   to data pointer
+#pragma warning(disable : 4310) // LadyHavoc: MSVC++ 2008 x86: cast truncates constant value
+#pragma warning(disable : 4245) // LadyHavoc: MSVC++ 2008 x86: 'initializing' : conversion from 'int' to 'unsigned char', signed/unsigned mismatch
+#pragma warning(disable : 4204) // LadyHavoc: MSVC++ 2008 x86: nonstandard extension used : non-constant aggregate initializer
+//#pragma warning(disable : 4267) // LadyHavoc: MSVC++ 2008 x64, conversion from 'size_t' to 'int', possible loss of data
+//#pragma warning(disable : 4244) // LadyHavoc: MSVC++ 4 x86, double/float
+//#pragma warning(disable : 4305) // LadyHavoc: MSVC++ 6 x86, double/float
+//#pragma warning(disable : 4706) // LadyHavoc: MSVC++ 2008 x86, assignment within conditional expression
+//#pragma warning(disable : 4127) // LadyHavoc: MSVC++ 2008 x86, conditional expression is constant
+//#pragma warning(disable : 4100) // LadyHavoc: MSVC++ 2008 x86, unreferenced formal parameter
+//#pragma warning(disable : 4055) // LadyHavoc: MSVC++ 2008 x86, 'type cast' from data pointer   to function pointer
+//#pragma warning(disable : 4054) // LadyHavoc: MSVC++ 2008 x86, 'type cast' from function pointer   to data pointer
 #endif
 
 
 //====================================================
 
 #ifndef USE_GLES2
-// wgl uses APIENTRY
+// on Windows this is WINAPI
 #ifndef APIENTRY
 #define APIENTRY
 #endif
@@ -65,60 +41,32 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #define GLAPIENTRY APIENTRY
 #endif
 
-#ifndef GL_PROJECTION
-#include <stddef.h>
-
+#ifndef GL_ZERO
 typedef unsigned int GLenum;
 typedef unsigned char GLboolean;
 typedef unsigned int GLbitfield;
 typedef void GLvoid;
-// 1-byte signed
 typedef signed char GLbyte;
-// 2-byte signed
 typedef short GLshort;
-// 4-byte signed
 typedef int GLint;
-// 1-byte unsigned
 typedef unsigned char GLubyte;
-// 2-byte unsigned
 typedef unsigned short GLushort;
-// 4-byte unsigned
 typedef unsigned int GLuint;
-// 4-byte signed
 typedef int GLsizei;
-// single precision float
 typedef float GLfloat;
-// single precision float in [0,1]
 typedef float GLclampf;
-// double precision float
 typedef double GLdouble;
-// double precision float in [0,1]
 typedef double GLclampd;
-// int whose size is the same as a pointer (?)
 typedef ptrdiff_t GLintptrARB;
-// int whose size is the same as a pointer (?)
 typedef ptrdiff_t GLsizeiptrARB;
 
 #define GL_STEREO                                      0x0C33
-
-#define GL_MODELVIEW                           0x1700
-#define GL_PROJECTION                          0x1701
-#define GL_TEXTURE                             0x1702
-#define GL_MATRIX_MODE                         0x0BA0
-#define GL_MODELVIEW_MATRIX                    0x0BA6
-#define GL_PROJECTION_MATRIX                   0x0BA7
-#define GL_TEXTURE_MATRIX                      0x0BA8
-
 #define GL_DONT_CARE                           0x1100
 #define GL_FASTEST                                     0x1101
 #define GL_NICEST                                      0x1102
-
 #define GL_DEPTH_TEST                          0x0B71
-
 #define GL_CULL_FACE                           0x0B44
-
 #define GL_BLEND                               0x0BE2
-#define GL_ALPHA_TEST                  0x0BC0
 
 #define GL_ZERO                                        0x0
 #define GL_ONE                                 0x1
@@ -136,24 +84,15 @@ typedef ptrdiff_t GLsizeiptrARB;
 #define GL_CONSTANT_ALPHA                      0x8003
 #define GL_ONE_MINUS_CONSTANT_ALPHA            0x8004
 
-#define GL_TEXTURE_ENV                         0x2300
-#define GL_TEXTURE_ENV_MODE                    0x2200
-#define GL_TEXTURE_1D                          0x0DE0
 #define GL_TEXTURE_2D                          0x0DE1
 #define GL_TEXTURE_WRAP_S                      0x2802
 #define GL_TEXTURE_WRAP_T                      0x2803
 #define GL_TEXTURE_WRAP_R                      0x8072
-#define GL_TEXTURE_BORDER_COLOR                        0x1004
 #define GL_TEXTURE_MAG_FILTER                  0x2800
 #define GL_TEXTURE_MIN_FILTER                  0x2801
 #define GL_PACK_ALIGNMENT                      0x0D05
 #define GL_UNPACK_ALIGNMENT                    0x0CF5
-#define GL_TEXTURE_BINDING_1D                   0x8068
-#define GL_TEXTURE_BINDING_2D                   0x8069
 #define GL_TEXTURE_INTERNAL_FORMAT             0x1003
-#define GL_TEXTURE_MIN_LOD                     0x813A
-#define GL_TEXTURE_MAX_LOD                     0x813B
-#define GL_TEXTURE_BASE_LEVEL                  0x813C
 #define GL_TEXTURE_MAX_LEVEL                   0x813D
 
 #define GL_NEAREST                             0x2600
@@ -166,23 +105,10 @@ typedef ptrdiff_t GLsizeiptrARB;
 #define GL_LINE                                        0x1B01
 #define GL_FILL                                        0x1B02
 
-#define GL_ADD                                 0x0104
-#define GL_DECAL                               0x2101
-#define GL_MODULATE                            0x2100
-
 #define GL_REPEAT                              0x2901
 #define GL_CLAMP                               0x2900
 
-#define GL_POINTS                              0x0000
-#define GL_LINES                               0x0001
-#define GL_LINE_LOOP                   0x0002
-#define GL_LINE_STRIP                  0x0003
 #define GL_TRIANGLES                   0x0004
-#define GL_TRIANGLE_STRIP              0x0005
-#define GL_TRIANGLE_FAN                        0x0006
-#define GL_QUADS                               0x0007
-#define GL_QUAD_STRIP                  0x0008
-#define GL_POLYGON                             0x0009
 
 #define GL_FALSE                               0x0
 #define GL_TRUE                                        0x1
@@ -195,16 +121,6 @@ typedef ptrdiff_t GLsizeiptrARB;
 #define GL_UNSIGNED_INT                                0x1405
 #define GL_FLOAT                               0x1406
 #define GL_DOUBLE                              0x140A
-#define GL_2_BYTES                             0x1407
-#define GL_3_BYTES                             0x1408
-#define GL_4_BYTES                             0x1409
-
-#define GL_VERTEX_ARRAY                                0x8074
-#define GL_NORMAL_ARRAY                                0x8075
-#define GL_COLOR_ARRAY                         0x8076
-//#define GL_INDEX_ARRAY                               0x8077
-#define GL_TEXTURE_COORD_ARRAY                 0x8078
-//#define GL_EDGE_FLAG_ARRAY                   0x8079
 
 #define GL_NONE                                        0
 #define GL_FRONT_LEFT                  0x0400
@@ -216,10 +132,6 @@ typedef ptrdiff_t GLsizeiptrARB;
 #define GL_LEFT                                        0x0406
 #define GL_RIGHT                               0x0407
 #define GL_FRONT_AND_BACK              0x0408
-#define GL_AUX0                                        0x0409
-#define GL_AUX1                                        0x040A
-#define GL_AUX2                                        0x040B
-#define GL_AUX3                                        0x040C
 
 #define GL_VENDOR                              0x1F00
 #define GL_RENDERER                            0x1F01
@@ -251,13 +163,7 @@ typedef ptrdiff_t GLsizeiptrARB;
 #define GL_ALWAYS                              0x0207
 #define GL_DEPTH_TEST                          0x0B71
 
-#define GL_RED_SCALE                           0x0D14
-#define GL_GREEN_SCALE                         0x0D18
-#define GL_BLUE_SCALE                          0x0D1A
-#define GL_ALPHA_SCALE                         0x0D1C
-
 #define GL_DEPTH_BUFFER_BIT                    0x00000100
-#define GL_ACCUM_BUFFER_BIT                    0x00000200
 #define GL_STENCIL_BUFFER_BIT                  0x00000400
 #define GL_COLOR_BUFFER_BIT                    0x00004000
 
@@ -273,12 +179,6 @@ typedef ptrdiff_t GLsizeiptrARB;
 #define GL_POLYGON_OFFSET_LINE            0x2A02
 #define GL_POLYGON_OFFSET_FILL            0x8037
 
-#define GL_POINT_SMOOTH                         0x0B10
-#define GL_LINE_SMOOTH                          0x0B20
-#define GL_POLYGON_SMOOTH                       0x0B41
-
-#define GL_POLYGON_STIPPLE                0x0B42
-
 #define GL_CLIP_PLANE0                    0x3000
 #define GL_CLIP_PLANE1                    0x3001
 #define GL_CLIP_PLANE2                    0x3002
@@ -307,7 +207,7 @@ typedef ptrdiff_t GLsizeiptrARB;
 #define GL_DEPTH_COMPONENT24_ARB          0x81A6
 #define GL_DEPTH_COMPONENT32_ARB          0x81A7
 #define GL_TEXTURE_DEPTH_SIZE_ARB         0x884A
-#define GL_DEPTH_TEXTURE_MODE_ARB         0x884B
+//#define GL_DEPTH_TEXTURE_MODE_ARB         0x884B
 #endif
 
 // GL_ARB_shadow
@@ -356,32 +256,6 @@ extern void (GLAPIENTRY *qglActiveTexture) (GLenum);
 #define GL_TEXTURE31                           0x84DF
 #endif
 
-// GL_ARB_texture_env_combine
-#ifndef GL_COMBINE
-#define GL_COMBINE                                     0x8570
-#define GL_COMBINE_RGB                         0x8571
-#define GL_COMBINE_ALPHA                       0x8572
-#define GL_SOURCE0_RGB                         0x8580
-#define GL_SOURCE1_RGB                         0x8581
-#define GL_SOURCE2_RGB                         0x8582
-#define GL_SOURCE0_ALPHA                       0x8588
-#define GL_SOURCE1_ALPHA                       0x8589
-#define GL_SOURCE2_ALPHA                       0x858A
-#define GL_OPERAND0_RGB                                0x8590
-#define GL_OPERAND1_RGB                                0x8591
-#define GL_OPERAND2_RGB                                0x8592
-#define GL_OPERAND0_ALPHA                      0x8598
-#define GL_OPERAND1_ALPHA                      0x8599
-#define GL_OPERAND2_ALPHA                      0x859A
-#define GL_RGB_SCALE                           0x8573
-#define GL_ADD_SIGNED                          0x8574
-#define GL_INTERPOLATE                         0x8575
-#define GL_SUBTRACT                                    0x84E7
-#define GL_CONSTANT                                    0x8576
-#define GL_PRIMARY_COLOR                       0x8577
-#define GL_PREVIOUS                                    0x8578
-#endif
-
 #ifndef GL_MAX_ELEMENTS_VERTICES
 #define GL_MAX_ELEMENTS_VERTICES               0x80E8
 #endif
@@ -426,7 +300,7 @@ extern void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint
 #define GL_DEPTH_COMPONENT24_ARB       0x81A6
 #define GL_DEPTH_COMPONENT32_ARB       0x81A7
 #define GL_TEXTURE_DEPTH_SIZE_ARB      0x884A
-#define GL_DEPTH_TEXTURE_MODE_ARB      0x884B
+//#define GL_DEPTH_TEXTURE_MODE_ARB      0x884B
 #endif
 
 #ifndef GL_SCISSOR_TEST
index 39e0b39..8d92adb 100644 (file)
@@ -867,19 +867,12 @@ void VID_CheckExtensions(void)
        qglGetIntegerv(GL_MAX_CUBE_MAP_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_cubemap);
        qglGetIntegerv(GL_MAX_3D_TEXTURE_SIZE, (GLint*)&vid.maxtexturesize_3d);
 
-       vid.texunits = vid.teximageunits = vid.texarrayunits = 1;
-       qglGetIntegerv(GL_MAX_TEXTURE_UNITS, (GLint*)&vid.texunits);
-       qglGetIntegerv(GL_MAX_TEXTURE_UNITS, (GLint*)&vid.texunits);
-       qglGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, (int *)&vid.teximageunits);CHECKGLERROR
-       qglGetIntegerv(GL_MAX_TEXTURE_COORDS, (int *)&vid.texarrayunits);CHECKGLERROR
-       vid.texunits = bound(4, vid.texunits, MAX_TEXTUREUNITS);
-       vid.teximageunits = bound(16, vid.teximageunits, MAX_TEXTUREUNITS);
-       vid.texarrayunits = bound(8, vid.texarrayunits, MAX_TEXTUREUNITS);
-       Con_DPrint("Using GL3 rendering path\n");
+       vid.texunits = 4;
+       vid.teximageunits = 32;
+       vid.texarrayunits = 10;
        vid.renderpath = RENDERPATH_GL32;
        vid.sRGBcapable2D = false;
        vid.sRGBcapable3D = true;
-       Con_DPrintf("vid.support.arb_multisample %i\n", vid.support.arb_multisample);
        vid.allowalphatocoverage = true; // but see below, it may get turned to false again if GL_SAMPLES_ARB is <= 1
 
        // enable multisample antialiasing if possible