/* $Id: texstate.c,v 1.9 2000/03/07 17:54:58 brianp Exp $ */ /* * Mesa 3-D graphics library * Version: 3.3 * * Copyright (C) 1999-2000 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifdef PC_HEADER #include "all.h" #else #include "glheader.h" #include "context.h" #include "enums.h" #include "extensions.h" #include "macros.h" #include "matrix.h" #include "texobj.h" #include "texstate.h" #include "texture.h" #include "types.h" #include "xform.h" #endif #ifdef SPECIALCAST /* Needed for an Amiga compiler */ #define ENUM_TO_FLOAT(X) ((GLfloat)(GLint)(X)) #define ENUM_TO_DOUBLE(X) ((GLdouble)(GLint)(X)) #else /* all other compilers */ #define ENUM_TO_FLOAT(X) ((GLfloat)(X)) #define ENUM_TO_DOUBLE(X) ((GLdouble)(X)) #endif /**********************************************************************/ /* Texture Environment */ /**********************************************************************/ void _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param ) { GET_CURRENT_CONTEXT(ctx); struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexEnv"); if (target==GL_TEXTURE_ENV) { if (pname==GL_TEXTURE_ENV_MODE) { GLenum mode = (GLenum) (GLint) *param; switch (mode) { case GL_ADD: if (!ctx->Extensions.HaveTextureEnvAdd) { gl_error(ctx, GL_INVALID_ENUM, "glTexEnv(param)"); return; } /* FALL-THROUGH */ case GL_MODULATE: case GL_BLEND: case GL_DECAL: case GL_REPLACE: /* A small optimization for drivers */ if (texUnit->EnvMode == mode) return; if (MESA_VERBOSE & (VERBOSE_STATE|VERBOSE_TEXTURE)) fprintf(stderr, "glTexEnv: old mode %s, new mode %s\n", gl_lookup_enum_by_nr(texUnit->EnvMode), gl_lookup_enum_by_nr(mode)); texUnit->EnvMode = mode; ctx->NewState |= NEW_TEXTURE_ENV; break; default: gl_error( ctx, GL_INVALID_VALUE, "glTexEnv(param)" ); return; } } else if (pname==GL_TEXTURE_ENV_COLOR) { texUnit->EnvColor[0] = CLAMP( param[0], 0.0F, 1.0F ); texUnit->EnvColor[1] = CLAMP( param[1], 0.0F, 1.0F ); texUnit->EnvColor[2] = CLAMP( param[2], 0.0F, 1.0F ); texUnit->EnvColor[3] = CLAMP( param[3], 0.0F, 1.0F ); } else { gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname)" ); return; } } else if (target==GL_TEXTURE_FILTER_CONTROL_EXT) { if (!ctx->Extensions.HaveTextureLodBias) { gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(param)" ); return; } if (pname==GL_TEXTURE_LOD_BIAS_EXT) { texUnit->LodBias = param[0]; } else { gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname)" ); return; } } else { gl_error( ctx, GL_INVALID_ENUM, "glTexEnv(target)" ); return; } if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) fprintf(stderr, "glTexEnv %s %s %.1f(%s) ...\n", gl_lookup_enum_by_nr(target), gl_lookup_enum_by_nr(pname), *param, gl_lookup_enum_by_nr((GLenum) (GLint) *param)); /* Tell device driver about the new texture environment */ if (ctx->Driver.TexEnv) { (*ctx->Driver.TexEnv)( ctx, target, pname, param ); } } void _mesa_TexEnvf( GLenum target, GLenum pname, GLfloat param ) { _mesa_TexEnvfv( target, pname, ¶m ); } void _mesa_TexEnvi( GLenum target, GLenum pname, GLint param ) { GLfloat p[4]; p[0] = (GLfloat) param; p[1] = p[2] = p[3] = 0.0; _mesa_TexEnvfv( target, pname, p ); } void _mesa_TexEnviv( GLenum target, GLenum pname, const GLint *param ) { GLfloat p[4]; p[0] = INT_TO_FLOAT( param[0] ); p[1] = INT_TO_FLOAT( param[1] ); p[2] = INT_TO_FLOAT( param[2] ); p[3] = INT_TO_FLOAT( param[3] ); _mesa_TexEnvfv( target, pname, p ); } void _mesa_GetTexEnvfv( GLenum target, GLenum pname, GLfloat *params ) { GET_CURRENT_CONTEXT(ctx); struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexEnvfv"); if (target!=GL_TEXTURE_ENV) { gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(target)" ); return; } switch (pname) { case GL_TEXTURE_ENV_MODE: *params = ENUM_TO_FLOAT(texUnit->EnvMode); break; case GL_TEXTURE_ENV_COLOR: COPY_4FV( params, texUnit->EnvColor ); break; default: gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnvfv(pname)" ); } } void _mesa_GetTexEnviv( GLenum target, GLenum pname, GLint *params ) { GET_CURRENT_CONTEXT(ctx); struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexEnviv"); if (target!=GL_TEXTURE_ENV) { gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(target)" ); return; } switch (pname) { case GL_TEXTURE_ENV_MODE: *params = (GLint) texUnit->EnvMode; break; case GL_TEXTURE_ENV_COLOR: params[0] = FLOAT_TO_INT( texUnit->EnvColor[0] ); params[1] = FLOAT_TO_INT( texUnit->EnvColor[1] ); params[2] = FLOAT_TO_INT( texUnit->EnvColor[2] ); params[3] = FLOAT_TO_INT( texUnit->EnvColor[3] ); break; default: gl_error( ctx, GL_INVALID_ENUM, "glGetTexEnviv(pname)" ); } } /**********************************************************************/ /* Texture Parameters */ /**********************************************************************/ void _mesa_TexParameterf( GLenum target, GLenum pname, GLfloat param ) { _mesa_TexParameterfv(target, pname, ¶m); } void _mesa_TexParameterfv( GLenum target, GLenum pname, const GLfloat *params ) { GET_CURRENT_CONTEXT(ctx); struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; GLenum eparam = (GLenum) (GLint) params[0]; struct gl_texture_object *texObj; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexParameterfv"); if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) fprintf(stderr, "texPARAM %s %s %d...\n", gl_lookup_enum_by_nr(target), gl_lookup_enum_by_nr(pname), eparam); switch (target) { case GL_TEXTURE_1D: texObj = texUnit->CurrentD[1]; break; case GL_TEXTURE_2D: texObj = texUnit->CurrentD[2]; break; case GL_TEXTURE_3D_EXT: texObj = texUnit->CurrentD[3]; break; default: gl_error( ctx, GL_INVALID_ENUM, "glTexParameter(target)" ); return; } switch (pname) { case GL_TEXTURE_MIN_FILTER: /* A small optimization */ if (texObj->MinFilter == eparam) return; if (eparam==GL_NEAREST || eparam==GL_LINEAR || eparam==GL_NEAREST_MIPMAP_NEAREST || eparam==GL_LINEAR_MIPMAP_NEAREST || eparam==GL_NEAREST_MIPMAP_LINEAR || eparam==GL_LINEAR_MIPMAP_LINEAR) { texObj->MinFilter = eparam; ctx->NewState |= NEW_TEXTURING; } else { gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); return; } break; case GL_TEXTURE_MAG_FILTER: /* A small optimization */ if (texObj->MagFilter == eparam) return; if (eparam==GL_NEAREST || eparam==GL_LINEAR) { texObj->MagFilter = eparam; ctx->NewState |= NEW_TEXTURING; } else { gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); return; } break; case GL_TEXTURE_WRAP_S: if (texObj->WrapS == eparam) return; if (eparam==GL_CLAMP || eparam==GL_REPEAT || eparam==GL_CLAMP_TO_EDGE) { texObj->WrapS = eparam; ctx->NewState |= NEW_TEXTURING; } else { gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); return; } break; case GL_TEXTURE_WRAP_T: if (texObj->WrapT == eparam) return; if (eparam==GL_CLAMP || eparam==GL_REPEAT || eparam==GL_CLAMP_TO_EDGE) { texObj->WrapT = eparam; ctx->NewState |= NEW_TEXTURING; } else { gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); return; } break; case GL_TEXTURE_WRAP_R_EXT: if (texObj->WrapR == eparam) return; if (eparam==GL_CLAMP || eparam==GL_REPEAT || eparam==GL_CLAMP_TO_EDGE) { texObj->WrapR = eparam; ctx->NewState |= NEW_TEXTURING; } else { gl_error( ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); } break; case GL_TEXTURE_BORDER_COLOR: texObj->BorderColor[0] = (GLubyte) CLAMP((GLint)(params[0]*255.0), 0, 255); texObj->BorderColor[1] = (GLubyte) CLAMP((GLint)(params[1]*255.0), 0, 255); texObj->BorderColor[2] = (GLubyte) CLAMP((GLint)(params[2]*255.0), 0, 255); texObj->BorderColor[3] = (GLubyte) CLAMP((GLint)(params[3]*255.0), 0, 255); break; case GL_TEXTURE_MIN_LOD: texObj->MinLod = params[0]; ctx->NewState |= NEW_TEXTURING; break; case GL_TEXTURE_MAX_LOD: texObj->MaxLod = params[0]; ctx->NewState |= NEW_TEXTURING; break; case GL_TEXTURE_BASE_LEVEL: if (params[0] < 0.0) { gl_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); return; } texObj->BaseLevel = (GLint) params[0]; ctx->NewState |= NEW_TEXTURING; break; case GL_TEXTURE_MAX_LEVEL: if (params[0] < 0.0) { gl_error(ctx, GL_INVALID_VALUE, "glTexParameter(param)" ); return; } texObj->MaxLevel = (GLint) params[0]; ctx->NewState |= NEW_TEXTURING; break; case GL_TEXTURE_PRIORITY: /* (keithh@netcomuk.co.uk) */ texObj->Priority = CLAMP( params[0], 0.0F, 1.0F ); break; default: gl_error( ctx, GL_INVALID_ENUM, "glTexParameter(pname)" ); return; } gl_put_texobj_on_dirty_list( ctx, texObj ); if (ctx->Driver.TexParameter) { (*ctx->Driver.TexParameter)( ctx, target, texObj, pname, params ); } } void _mesa_TexParameteri( GLenum target, GLenum pname, const GLint param ) { GLfloat fparam[4]; fparam[0] = (GLfloat) param; fparam[1] = fparam[2] = fparam[3] = 0.0; _mesa_TexParameterfv(target, pname, fparam); } void _mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params ) { GLfloat fparam[4]; fparam[0] = (GLfloat) params[0]; fparam[1] = fparam[2] = fparam[3] = 0.0; _mesa_TexParameterfv(target, pname, fparam); } void _mesa_GetTexLevelParameterfv( GLenum target, GLint level, GLenum pname, GLfloat *params ) { GLint iparam; _mesa_GetTexLevelParameteriv( target, level, pname, &iparam ); *params = (GLfloat) iparam; } void _mesa_GetTexLevelParameteriv( GLenum target, GLint level, GLenum pname, GLint *params ) { GET_CURRENT_CONTEXT(ctx); const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; const struct gl_texture_image *img = NULL; GLuint dimensions; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexLevelParameter"); if (level < 0 || level >= ctx->Const.MaxTextureLevels) { gl_error( ctx, GL_INVALID_VALUE, "glGetTexLevelParameter[if]v" ); return; } switch (target) { case GL_TEXTURE_1D: img = texUnit->CurrentD[1]->Image[level]; dimensions = 1; break; case GL_TEXTURE_2D: img = texUnit->CurrentD[2]->Image[level]; dimensions = 2; break; case GL_TEXTURE_3D: img = texUnit->CurrentD[3]->Image[level]; dimensions = 3; break; case GL_PROXY_TEXTURE_1D: img = ctx->Texture.Proxy1D->Image[level]; dimensions = 1; break; case GL_PROXY_TEXTURE_2D: img = ctx->Texture.Proxy2D->Image[level]; dimensions = 2; break; case GL_PROXY_TEXTURE_3D: img = ctx->Texture.Proxy3D->Image[level]; dimensions = 3; break; default: gl_error(ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(target)"); return; } if (!img) { if (pname == GL_TEXTURE_COMPONENTS) *params = 1; else *params = 0; return; } switch (pname) { case GL_TEXTURE_WIDTH: *params = img->Width; return; case GL_TEXTURE_HEIGHT: if (dimensions > 1) { *params = img->Height; } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(pname=GL_TEXTURE_HEIGHT)" ); } return; case GL_TEXTURE_DEPTH: if (dimensions > 2) { *params = img->Depth; } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(pname=GL_TEXTURE_DEPTH)" ); } return; case GL_TEXTURE_COMPONENTS: *params = img->IntFormat; return; case GL_TEXTURE_BORDER: *params = img->Border; return; case GL_TEXTURE_RED_SIZE: *params = img->RedBits; return; case GL_TEXTURE_GREEN_SIZE: *params = img->GreenBits; return; case GL_TEXTURE_BLUE_SIZE: *params = img->BlueBits; return; case GL_TEXTURE_ALPHA_SIZE: *params = img->AlphaBits; return; case GL_TEXTURE_INTENSITY_SIZE: *params = img->IntensityBits; return; case GL_TEXTURE_LUMINANCE_SIZE: *params = img->LuminanceBits; return; case GL_TEXTURE_INDEX_SIZE_EXT: *params = img->IndexBits; return; default: gl_error( ctx, GL_INVALID_ENUM, "glGetTexLevelParameter[if]v(pname)" ); } } void _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params ) { GET_CURRENT_CONTEXT(ctx); struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; struct gl_texture_object *obj; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexParameterfv"); switch (target) { case GL_TEXTURE_1D: obj = texUnit->CurrentD[1]; break; case GL_TEXTURE_2D: obj = texUnit->CurrentD[2]; break; case GL_TEXTURE_3D_EXT: obj = texUnit->CurrentD[3]; break; default: gl_error(ctx, GL_INVALID_ENUM, "glGetTexParameterfv(target)"); return; } switch (pname) { case GL_TEXTURE_MAG_FILTER: *params = ENUM_TO_FLOAT(obj->MagFilter); break; case GL_TEXTURE_MIN_FILTER: *params = ENUM_TO_FLOAT(obj->MinFilter); break; case GL_TEXTURE_WRAP_S: *params = ENUM_TO_FLOAT(obj->WrapS); break; case GL_TEXTURE_WRAP_T: *params = ENUM_TO_FLOAT(obj->WrapT); break; case GL_TEXTURE_WRAP_R_EXT: *params = ENUM_TO_FLOAT(obj->WrapR); break; case GL_TEXTURE_BORDER_COLOR: params[0] = obj->BorderColor[0] / 255.0F; params[1] = obj->BorderColor[1] / 255.0F; params[2] = obj->BorderColor[2] / 255.0F; params[3] = obj->BorderColor[3] / 255.0F; break; case GL_TEXTURE_RESIDENT: *params = ENUM_TO_FLOAT(GL_TRUE); break; case GL_TEXTURE_PRIORITY: *params = obj->Priority; break; case GL_TEXTURE_MIN_LOD: *params = obj->MinLod; break; case GL_TEXTURE_MAX_LOD: *params = obj->MaxLod; break; case GL_TEXTURE_BASE_LEVEL: *params = (GLfloat) obj->BaseLevel; break; case GL_TEXTURE_MAX_LEVEL: *params = (GLfloat) obj->MaxLevel; break; default: gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameterfv(pname)" ); } } void _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params ) { GET_CURRENT_CONTEXT(ctx); struct gl_texture_unit *texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; struct gl_texture_object *obj; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexParameteriv"); switch (target) { case GL_TEXTURE_1D: obj = texUnit->CurrentD[1]; break; case GL_TEXTURE_2D: obj = texUnit->CurrentD[2]; break; case GL_TEXTURE_3D_EXT: obj = texUnit->CurrentD[3]; break; default: gl_error(ctx, GL_INVALID_ENUM, "glGetTexParameteriv(target)"); return; } switch (pname) { case GL_TEXTURE_MAG_FILTER: *params = (GLint) obj->MagFilter; break; case GL_TEXTURE_MIN_FILTER: *params = (GLint) obj->MinFilter; break; case GL_TEXTURE_WRAP_S: *params = (GLint) obj->WrapS; break; case GL_TEXTURE_WRAP_T: *params = (GLint) obj->WrapT; break; case GL_TEXTURE_WRAP_R_EXT: *params = (GLint) obj->WrapR; break; case GL_TEXTURE_BORDER_COLOR: { GLfloat color[4]; color[0] = obj->BorderColor[0] / 255.0F; color[1] = obj->BorderColor[1] / 255.0F; color[2] = obj->BorderColor[2] / 255.0F; color[3] = obj->BorderColor[3] / 255.0F; params[0] = FLOAT_TO_INT( color[0] ); params[1] = FLOAT_TO_INT( color[1] ); params[2] = FLOAT_TO_INT( color[2] ); params[3] = FLOAT_TO_INT( color[3] ); } break; case GL_TEXTURE_RESIDENT: *params = (GLint) GL_TRUE; break; case GL_TEXTURE_PRIORITY: *params = (GLint) obj->Priority; break; case GL_TEXTURE_MIN_LOD: *params = (GLint) obj->MinLod; break; case GL_TEXTURE_MAX_LOD: *params = (GLint) obj->MaxLod; break; case GL_TEXTURE_BASE_LEVEL: *params = obj->BaseLevel; break; case GL_TEXTURE_MAX_LEVEL: *params = obj->MaxLevel; break; default: gl_error( ctx, GL_INVALID_ENUM, "glGetTexParameteriv(pname)" ); } } /**********************************************************************/ /* Texture Coord Generation */ /**********************************************************************/ void _mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params ) { GET_CURRENT_CONTEXT(ctx); GLuint tUnit = ctx->Texture.CurrentTransformUnit; struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glTexGenfv"); if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE)) fprintf(stderr, "texGEN %s %s %x...\n", gl_lookup_enum_by_nr(coord), gl_lookup_enum_by_nr(pname), *(int *)params); switch (coord) { case GL_S: if (pname==GL_TEXTURE_GEN_MODE) { GLenum mode = (GLenum) (GLint) *params; switch (mode) { case GL_OBJECT_LINEAR: texUnit->GenModeS = mode; texUnit->GenBitS = TEXGEN_OBJ_LINEAR; break; case GL_EYE_LINEAR: texUnit->GenModeS = mode; texUnit->GenBitS = TEXGEN_EYE_LINEAR; break; case GL_REFLECTION_MAP_NV: texUnit->GenModeS = mode; texUnit->GenBitS = TEXGEN_REFLECTION_MAP_NV; break; case GL_NORMAL_MAP_NV: texUnit->GenModeS = mode; texUnit->GenBitS = TEXGEN_NORMAL_MAP_NV; break; case GL_SPHERE_MAP: texUnit->GenModeS = mode; texUnit->GenBitS = TEXGEN_SPHERE_MAP; break; default: gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" ); return; } } else if (pname==GL_OBJECT_PLANE) { texUnit->ObjectPlaneS[0] = params[0]; texUnit->ObjectPlaneS[1] = params[1]; texUnit->ObjectPlaneS[2] = params[2]; texUnit->ObjectPlaneS[3] = params[3]; } else if (pname==GL_EYE_PLANE) { /* Transform plane equation by the inverse modelview matrix */ if (ctx->ModelView.flags & MAT_DIRTY_INVERSE) { gl_matrix_analyze( &ctx->ModelView ); } gl_transform_vector( texUnit->EyePlaneS, params, ctx->ModelView.inv ); } else { gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); return; } break; case GL_T: if (pname==GL_TEXTURE_GEN_MODE) { GLenum mode = (GLenum) (GLint) *params; switch(mode) { case GL_OBJECT_LINEAR: texUnit->GenModeT = GL_OBJECT_LINEAR; texUnit->GenBitT = TEXGEN_OBJ_LINEAR; break; case GL_EYE_LINEAR: texUnit->GenModeT = GL_EYE_LINEAR; texUnit->GenBitT = TEXGEN_EYE_LINEAR; break; case GL_REFLECTION_MAP_NV: texUnit->GenModeT = GL_REFLECTION_MAP_NV; texUnit->GenBitT = TEXGEN_REFLECTION_MAP_NV; break; case GL_NORMAL_MAP_NV: texUnit->GenModeT = GL_NORMAL_MAP_NV; texUnit->GenBitT = TEXGEN_NORMAL_MAP_NV; break; case GL_SPHERE_MAP: texUnit->GenModeT = GL_SPHERE_MAP; texUnit->GenBitT = TEXGEN_SPHERE_MAP; break; default: gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" ); return; } } else if (pname==GL_OBJECT_PLANE) { texUnit->ObjectPlaneT[0] = params[0]; texUnit->ObjectPlaneT[1] = params[1]; texUnit->ObjectPlaneT[2] = params[2]; texUnit->ObjectPlaneT[3] = params[3]; } else if (pname==GL_EYE_PLANE) { /* Transform plane equation by the inverse modelview matrix */ if (ctx->ModelView.flags & MAT_DIRTY_INVERSE) { gl_matrix_analyze( &ctx->ModelView ); } gl_transform_vector( texUnit->EyePlaneT, params, ctx->ModelView.inv ); } else { gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); return; } break; case GL_R: if (pname==GL_TEXTURE_GEN_MODE) { GLenum mode = (GLenum) (GLint) *params; switch (mode) { case GL_OBJECT_LINEAR: texUnit->GenModeR = GL_OBJECT_LINEAR; texUnit->GenBitR = TEXGEN_OBJ_LINEAR; break; case GL_REFLECTION_MAP_NV: texUnit->GenModeR = GL_REFLECTION_MAP_NV; texUnit->GenBitR = TEXGEN_REFLECTION_MAP_NV; break; case GL_NORMAL_MAP_NV: texUnit->GenModeR = GL_NORMAL_MAP_NV; texUnit->GenBitR = TEXGEN_NORMAL_MAP_NV; break; case GL_EYE_LINEAR: texUnit->GenModeR = GL_EYE_LINEAR; texUnit->GenBitR = TEXGEN_EYE_LINEAR; break; default: gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" ); return; } } else if (pname==GL_OBJECT_PLANE) { texUnit->ObjectPlaneR[0] = params[0]; texUnit->ObjectPlaneR[1] = params[1]; texUnit->ObjectPlaneR[2] = params[2]; texUnit->ObjectPlaneR[3] = params[3]; } else if (pname==GL_EYE_PLANE) { /* Transform plane equation by the inverse modelview matrix */ if (ctx->ModelView.flags & MAT_DIRTY_INVERSE) { gl_matrix_analyze( &ctx->ModelView ); } gl_transform_vector( texUnit->EyePlaneR, params, ctx->ModelView.inv ); } else { gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); return; } break; case GL_Q: if (pname==GL_TEXTURE_GEN_MODE) { GLenum mode = (GLenum) (GLint) *params; switch (mode) { case GL_OBJECT_LINEAR: texUnit->GenModeQ = GL_OBJECT_LINEAR; texUnit->GenBitQ = TEXGEN_OBJ_LINEAR; break; case GL_EYE_LINEAR: texUnit->GenModeQ = GL_EYE_LINEAR; texUnit->GenBitQ = TEXGEN_EYE_LINEAR; break; default: gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" ); return; } } else if (pname==GL_OBJECT_PLANE) { texUnit->ObjectPlaneQ[0] = params[0]; texUnit->ObjectPlaneQ[1] = params[1]; texUnit->ObjectPlaneQ[2] = params[2]; texUnit->ObjectPlaneQ[3] = params[3]; } else if (pname==GL_EYE_PLANE) { /* Transform plane equation by the inverse modelview matrix */ if (ctx->ModelView.flags & MAT_DIRTY_INVERSE) { gl_matrix_analyze( &ctx->ModelView ); } gl_transform_vector( texUnit->EyePlaneQ, params, ctx->ModelView.inv ); } else { gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" ); return; } break; default: gl_error( ctx, GL_INVALID_ENUM, "glTexGenfv(coord)" ); return; } ctx->NewState |= NEW_TEXTURING; } void _mesa_TexGeniv(GLenum coord, GLenum pname, const GLint *params ) { GLfloat p[4]; p[0] = params[0]; p[1] = params[1]; p[2] = params[2]; p[3] = params[3]; _mesa_TexGenfv(coord, pname, p); } void _mesa_TexGend(GLenum coord, GLenum pname, GLdouble param ) { GLfloat p = (GLfloat) param; _mesa_TexGenfv( coord, pname, &p ); } void _mesa_TexGendv(GLenum coord, GLenum pname, const GLdouble *params ) { GLfloat p[4]; p[0] = params[0]; p[1] = params[1]; p[2] = params[2]; p[3] = params[3]; _mesa_TexGenfv( coord, pname, p ); } void _mesa_TexGenf( GLenum coord, GLenum pname, GLfloat param ) { _mesa_TexGenfv(coord, pname, ¶m); } void _mesa_TexGeni( GLenum coord, GLenum pname, GLint param ) { _mesa_TexGeniv( coord, pname, ¶m ); } void _mesa_GetTexGendv( GLenum coord, GLenum pname, GLdouble *params ) { GET_CURRENT_CONTEXT(ctx); GLuint tUnit = ctx->Texture.CurrentTransformUnit; struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexGendv"); switch( coord ) { case GL_S: if (pname==GL_TEXTURE_GEN_MODE) { params[0] = ENUM_TO_DOUBLE(texUnit->GenModeS); } else if (pname==GL_OBJECT_PLANE) { COPY_4V( params, texUnit->ObjectPlaneS ); } else if (pname==GL_EYE_PLANE) { COPY_4V( params, texUnit->EyePlaneS ); } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); return; } break; case GL_T: if (pname==GL_TEXTURE_GEN_MODE) { params[0] = ENUM_TO_DOUBLE(texUnit->GenModeT); } else if (pname==GL_OBJECT_PLANE) { COPY_4V( params, texUnit->ObjectPlaneT ); } else if (pname==GL_EYE_PLANE) { COPY_4V( params, texUnit->EyePlaneT ); } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); return; } break; case GL_R: if (pname==GL_TEXTURE_GEN_MODE) { params[0] = ENUM_TO_DOUBLE(texUnit->GenModeR); } else if (pname==GL_OBJECT_PLANE) { COPY_4V( params, texUnit->ObjectPlaneR ); } else if (pname==GL_EYE_PLANE) { COPY_4V( params, texUnit->EyePlaneR ); } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); return; } break; case GL_Q: if (pname==GL_TEXTURE_GEN_MODE) { params[0] = ENUM_TO_DOUBLE(texUnit->GenModeQ); } else if (pname==GL_OBJECT_PLANE) { COPY_4V( params, texUnit->ObjectPlaneQ ); } else if (pname==GL_EYE_PLANE) { COPY_4V( params, texUnit->EyePlaneQ ); } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" ); return; } break; default: gl_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(coord)" ); return; } } void _mesa_GetTexGenfv( GLenum coord, GLenum pname, GLfloat *params ) { GET_CURRENT_CONTEXT(ctx); GLuint tUnit = ctx->Texture.CurrentTransformUnit; struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexGenfv"); switch( coord ) { case GL_S: if (pname==GL_TEXTURE_GEN_MODE) { params[0] = ENUM_TO_FLOAT(texUnit->GenModeS); } else if (pname==GL_OBJECT_PLANE) { COPY_4V( params, texUnit->ObjectPlaneS ); } else if (pname==GL_EYE_PLANE) { COPY_4V( params, texUnit->EyePlaneS ); } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); return; } break; case GL_T: if (pname==GL_TEXTURE_GEN_MODE) { params[0] = ENUM_TO_FLOAT(texUnit->GenModeT); } else if (pname==GL_OBJECT_PLANE) { COPY_4V( params, texUnit->ObjectPlaneT ); } else if (pname==GL_EYE_PLANE) { COPY_4V( params, texUnit->EyePlaneT ); } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); return; } break; case GL_R: if (pname==GL_TEXTURE_GEN_MODE) { params[0] = ENUM_TO_FLOAT(texUnit->GenModeR); } else if (pname==GL_OBJECT_PLANE) { COPY_4V( params, texUnit->ObjectPlaneR ); } else if (pname==GL_EYE_PLANE) { COPY_4V( params, texUnit->EyePlaneR ); } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); return; } break; case GL_Q: if (pname==GL_TEXTURE_GEN_MODE) { params[0] = ENUM_TO_FLOAT(texUnit->GenModeQ); } else if (pname==GL_OBJECT_PLANE) { COPY_4V( params, texUnit->ObjectPlaneQ ); } else if (pname==GL_EYE_PLANE) { COPY_4V( params, texUnit->EyePlaneQ ); } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" ); return; } break; default: gl_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(coord)" ); return; } } void _mesa_GetTexGeniv( GLenum coord, GLenum pname, GLint *params ) { GET_CURRENT_CONTEXT(ctx); GLuint tUnit = ctx->Texture.CurrentTransformUnit; struct gl_texture_unit *texUnit = &ctx->Texture.Unit[tUnit]; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx, "glGetTexGeniv"); switch( coord ) { case GL_S: if (pname==GL_TEXTURE_GEN_MODE) { params[0] = texUnit->GenModeS; } else if (pname==GL_OBJECT_PLANE) { params[0] = (GLint) texUnit->ObjectPlaneS[0]; params[1] = (GLint) texUnit->ObjectPlaneS[1]; params[2] = (GLint) texUnit->ObjectPlaneS[2]; params[3] = (GLint) texUnit->ObjectPlaneS[3]; } else if (pname==GL_EYE_PLANE) { params[0] = (GLint) texUnit->EyePlaneS[0]; params[1] = (GLint) texUnit->EyePlaneS[1]; params[2] = (GLint) texUnit->EyePlaneS[2]; params[3] = (GLint) texUnit->EyePlaneS[3]; } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); return; } break; case GL_T: if (pname==GL_TEXTURE_GEN_MODE) { params[0] = texUnit->GenModeT; } else if (pname==GL_OBJECT_PLANE) { params[0] = (GLint) texUnit->ObjectPlaneT[0]; params[1] = (GLint) texUnit->ObjectPlaneT[1]; params[2] = (GLint) texUnit->ObjectPlaneT[2]; params[3] = (GLint) texUnit->ObjectPlaneT[3]; } else if (pname==GL_EYE_PLANE) { params[0] = (GLint) texUnit->EyePlaneT[0]; params[1] = (GLint) texUnit->EyePlaneT[1]; params[2] = (GLint) texUnit->EyePlaneT[2]; params[3] = (GLint) texUnit->EyePlaneT[3]; } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); return; } break; case GL_R: if (pname==GL_TEXTURE_GEN_MODE) { params[0] = texUnit->GenModeR; } else if (pname==GL_OBJECT_PLANE) { params[0] = (GLint) texUnit->ObjectPlaneR[0]; params[1] = (GLint) texUnit->ObjectPlaneR[1]; params[2] = (GLint) texUnit->ObjectPlaneR[2]; params[3] = (GLint) texUnit->ObjectPlaneR[3]; } else if (pname==GL_EYE_PLANE) { params[0] = (GLint) texUnit->EyePlaneR[0]; params[1] = (GLint) texUnit->EyePlaneR[1]; params[2] = (GLint) texUnit->EyePlaneR[2]; params[3] = (GLint) texUnit->EyePlaneR[3]; } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); return; } break; case GL_Q: if (pname==GL_TEXTURE_GEN_MODE) { params[0] = texUnit->GenModeQ; } else if (pname==GL_OBJECT_PLANE) { params[0] = (GLint) texUnit->ObjectPlaneQ[0]; params[1] = (GLint) texUnit->ObjectPlaneQ[1]; params[2] = (GLint) texUnit->ObjectPlaneQ[2]; params[3] = (GLint) texUnit->ObjectPlaneQ[3]; } else if (pname==GL_EYE_PLANE) { params[0] = (GLint) texUnit->EyePlaneQ[0]; params[1] = (GLint) texUnit->EyePlaneQ[1]; params[2] = (GLint) texUnit->EyePlaneQ[2]; params[3] = (GLint) texUnit->EyePlaneQ[3]; } else { gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" ); return; } break; default: gl_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(coord)" ); return; } } /* GL_ARB_multitexture */ void _mesa_ActiveTextureARB( GLenum target ) { GET_CURRENT_CONTEXT(ctx); GLint maxUnits = ctx->Const.MaxTextureUnits; ASSERT_OUTSIDE_BEGIN_END( ctx, "glActiveTextureARB" ); if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE)) fprintf(stderr, "glActiveTexture %s\n", gl_lookup_enum_by_nr(target)); if (target >= GL_TEXTURE0_ARB && target < GL_TEXTURE0_ARB + maxUnits) { GLint texUnit = target - GL_TEXTURE0_ARB; ctx->Texture.CurrentUnit = texUnit; ctx->Texture.CurrentTransformUnit = texUnit; if (ctx->Driver.ActiveTexture) { (*ctx->Driver.ActiveTexture)( ctx, (GLuint) texUnit ); } } else { gl_error(ctx, GL_INVALID_OPERATION, "glActiveTextureARB(target)"); } } /* GL_ARB_multitexture */ void _mesa_ClientActiveTextureARB( GLenum target ) { GET_CURRENT_CONTEXT(ctx); GLint maxUnits = ctx->Const.MaxTextureUnits; ASSERT_OUTSIDE_BEGIN_END( ctx, "glClientActiveTextureARB" ); if (target >= GL_TEXTURE0_ARB && target < GL_TEXTURE0_ARB + maxUnits) { GLint texUnit = target - GL_TEXTURE0_ARB; ctx->Array.ActiveTexture = texUnit; } else { gl_error(ctx, GL_INVALID_OPERATION, "glActiveTextureARB(target)"); } } /* * Put the given texture object into the list of dirty texture objects. * When a texture object is dirty we have to reexamine it for completeness * and perhaps choose a different texture sampling function. */ void gl_put_texobj_on_dirty_list( GLcontext *ctx, struct gl_texture_object *t ) { ASSERT(ctx); ASSERT(t); /* Only insert if not already in the dirty list. * The Dirty flag is only set iff the texture object is in the dirty list. */ if (!t->Dirty) { ASSERT(t->NextDirty == NULL); t->Dirty = GL_TRUE; t->NextDirty = ctx->Shared->DirtyTexObjList; ctx->Shared->DirtyTexObjList = t; } #ifdef DEBUG else { /* make sure t is in the list */ struct gl_texture_object *obj = ctx->Shared->DirtyTexObjList; while (obj) { if (obj == t) { return; } obj = obj->NextDirty; } gl_problem(ctx, "Error in gl_put_texobj_on_dirty_list"); } #endif } /* * Remove a texture object from the dirty texture list. */ void gl_remove_texobj_from_dirty_list( struct gl_shared_state *shared, struct gl_texture_object *tObj ) { struct gl_texture_object *t, *prev = NULL; ASSERT(shared); ASSERT(tObj); for (t = shared->DirtyTexObjList; t; t = t->NextDirty) { if (t == tObj) { if (prev) { prev->NextDirty = t->NextDirty; } else { shared->DirtyTexObjList = t->NextDirty; } return; } prev = t; } } /* * This is called by gl_update_state() if the NEW_TEXTURING bit in * ctx->NewState is set. */ void gl_update_dirty_texobjs( GLcontext *ctx ) { struct gl_texture_object *t, *next; for (t = ctx->Shared->DirtyTexObjList; t; t = next) { next = t->NextDirty; gl_test_texture_object_completeness(ctx, t); gl_set_texture_sampler(t); t->NextDirty = NULL; t->Dirty = GL_FALSE; } ctx->Shared->DirtyTexObjList = NULL; }