/*
* Mesa 3-D graphics library
- * Version: 7.1
*
* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009 VMware, Inc. 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"),
* 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
/**
#include "main/enums.h"
#include "main/macros.h"
#include "main/texgen.h"
-#include "math/m_xform.h"
+#include "main/texstate.h"
+#include "math/m_matrix.h"
+#include "main/dispatch.h"
+/**
+ * Return texgen state for given coordinate
+ */
+static struct gl_texgen *
+get_texgen(struct gl_context *ctx, struct gl_texture_unit *texUnit,
+ GLenum coord)
+{
+ if (ctx->API == API_OPENGLES) {
+ return (coord == GL_TEXTURE_GEN_STR_OES)
+ ? &texUnit->GenS : NULL;
+ }
+
+ switch (coord) {
+ case GL_S:
+ return &texUnit->GenS;
+ case GL_T:
+ return &texUnit->GenT;
+ case GL_R:
+ return &texUnit->GenR;
+ case GL_Q:
+ return &texUnit->GenQ;
+ default:
+ return NULL;
+ }
+}
+
void GLAPIENTRY
_mesa_TexGenfv( GLenum coord, GLenum pname, const GLfloat *params )
{
- GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit;
- ASSERT_OUTSIDE_BEGIN_END(ctx);
+ struct gl_texgen *texgen;
+ GET_CURRENT_CONTEXT(ctx);
if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))
_mesa_debug(ctx, "glTexGen %s %s %.1f(%s)...\n",
- _mesa_lookup_enum_by_nr(coord),
- _mesa_lookup_enum_by_nr(pname),
+ _mesa_enum_to_string(coord),
+ _mesa_enum_to_string(pname),
*params,
- _mesa_lookup_enum_by_nr((GLenum) (GLint) *params));
+ _mesa_enum_to_string((GLenum) (GLint) *params));
if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTexGen(current unit)");
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = _mesa_get_current_tex_unit(ctx);
- switch (coord) {
- case GL_S:
- if (pname==GL_TEXTURE_GEN_MODE) {
- GLenum mode = (GLenum) (GLint) *params;
- GLbitfield bits;
- switch (mode) {
- case GL_OBJECT_LINEAR:
- bits = TEXGEN_OBJ_LINEAR;
- break;
- case GL_EYE_LINEAR:
- bits = TEXGEN_EYE_LINEAR;
- break;
- case GL_REFLECTION_MAP_NV:
- bits = TEXGEN_REFLECTION_MAP_NV;
- break;
- case GL_NORMAL_MAP_NV:
- bits = TEXGEN_NORMAL_MAP_NV;
- break;
- case GL_SPHERE_MAP:
- bits = TEXGEN_SPHERE_MAP;
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
- return;
- }
- if (texUnit->GenModeS == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texUnit->GenModeS = mode;
- texUnit->_GenBitS = bits;
- }
- else if (pname==GL_OBJECT_PLANE) {
- if (TEST_EQ_4V(texUnit->ObjectPlaneS, params))
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- COPY_4FV(texUnit->ObjectPlaneS, params);
- }
- else if (pname==GL_EYE_PLANE) {
- GLfloat tmp[4];
- /* Transform plane equation by the inverse modelview matrix */
- if (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) {
- _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
- }
- _mesa_transform_vector( tmp, params, ctx->ModelviewMatrixStack.Top->inv );
- if (TEST_EQ_4V(texUnit->EyePlaneS, tmp))
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- COPY_4FV(texUnit->EyePlaneS, tmp);
- }
- else {
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
- return;
- }
- break;
- case GL_T:
- if (pname==GL_TEXTURE_GEN_MODE) {
- GLenum mode = (GLenum) (GLint) *params;
- GLbitfield bitt;
- switch (mode) {
- case GL_OBJECT_LINEAR:
- bitt = TEXGEN_OBJ_LINEAR;
- break;
- case GL_EYE_LINEAR:
- bitt = TEXGEN_EYE_LINEAR;
- break;
- case GL_REFLECTION_MAP_NV:
- bitt = TEXGEN_REFLECTION_MAP_NV;
- break;
- case GL_NORMAL_MAP_NV:
- bitt = TEXGEN_NORMAL_MAP_NV;
- break;
- case GL_SPHERE_MAP:
- bitt = TEXGEN_SPHERE_MAP;
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
- return;
- }
- if (texUnit->GenModeT == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texUnit->GenModeT = mode;
- texUnit->_GenBitT = bitt;
- }
- else if (pname==GL_OBJECT_PLANE) {
- if (TEST_EQ_4V(texUnit->ObjectPlaneT, params))
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- COPY_4FV(texUnit->ObjectPlaneT, params);
- }
- else if (pname==GL_EYE_PLANE) {
- GLfloat tmp[4];
- /* Transform plane equation by the inverse modelview matrix */
- if (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) {
- _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
- }
- _mesa_transform_vector( tmp, params, ctx->ModelviewMatrixStack.Top->inv );
- if (TEST_EQ_4V(texUnit->EyePlaneT, tmp))
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- COPY_4FV(texUnit->EyePlaneT, tmp);
- }
- else {
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
- return;
- }
- break;
- case GL_R:
- if (pname==GL_TEXTURE_GEN_MODE) {
- GLenum mode = (GLenum) (GLint) *params;
- GLbitfield bitr;
- switch (mode) {
- case GL_OBJECT_LINEAR:
- bitr = TEXGEN_OBJ_LINEAR;
- break;
- case GL_REFLECTION_MAP_NV:
- bitr = TEXGEN_REFLECTION_MAP_NV;
- break;
- case GL_NORMAL_MAP_NV:
- bitr = TEXGEN_NORMAL_MAP_NV;
- break;
- case GL_EYE_LINEAR:
- bitr = TEXGEN_EYE_LINEAR;
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
- return;
- }
- if (texUnit->GenModeR == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texUnit->GenModeR = mode;
- texUnit->_GenBitR = bitr;
- }
- else if (pname==GL_OBJECT_PLANE) {
- if (TEST_EQ_4V(texUnit->ObjectPlaneR, params))
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- COPY_4FV(texUnit->ObjectPlaneR, params);
- }
- else if (pname==GL_EYE_PLANE) {
- GLfloat tmp[4];
- /* Transform plane equation by the inverse modelview matrix */
- if (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) {
- _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
- }
- _mesa_transform_vector( tmp, params, ctx->ModelviewMatrixStack.Top->inv );
- if (TEST_EQ_4V(texUnit->EyePlaneR, tmp))
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- COPY_4FV(texUnit->EyePlaneR, tmp);
- }
- else {
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
- return;
- }
- break;
- case GL_Q:
- if (pname==GL_TEXTURE_GEN_MODE) {
- GLenum mode = (GLenum) (GLint) *params;
- GLbitfield bitq;
- switch (mode) {
- case GL_OBJECT_LINEAR:
- bitq = TEXGEN_OBJ_LINEAR;
- break;
- case GL_EYE_LINEAR:
- bitq = TEXGEN_EYE_LINEAR;
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
- return;
- }
- if (texUnit->GenModeQ == mode)
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- texUnit->GenModeQ = mode;
- texUnit->_GenBitQ = bitq;
- }
- else if (pname==GL_OBJECT_PLANE) {
- if (TEST_EQ_4V(texUnit->ObjectPlaneQ, params))
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- COPY_4FV(texUnit->ObjectPlaneQ, params);
- }
- else if (pname==GL_EYE_PLANE) {
- GLfloat tmp[4];
- /* Transform plane equation by the inverse modelview matrix */
- if (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) {
- _math_matrix_analyse( ctx->ModelviewMatrixStack.Top );
- }
- _mesa_transform_vector( tmp, params, ctx->ModelviewMatrixStack.Top->inv );
- if (TEST_EQ_4V(texUnit->EyePlaneQ, tmp))
- return;
- FLUSH_VERTICES(ctx, _NEW_TEXTURE);
- COPY_4FV(texUnit->EyePlaneQ, tmp);
- }
- else {
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
- return;
- }
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(coord)" );
- return;
+ texgen = get_texgen(ctx, texUnit, coord);
+ if (!texgen) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glTexGen(coord)");
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_GEN_MODE:
+ {
+ GLenum mode = (GLenum) (GLint) params[0];
+ GLbitfield bit = 0x0;
+ if (texgen->Mode == mode)
+ return;
+ switch (mode) {
+ case GL_OBJECT_LINEAR:
+ bit = TEXGEN_OBJ_LINEAR;
+ break;
+ case GL_EYE_LINEAR:
+ bit = TEXGEN_EYE_LINEAR;
+ break;
+ case GL_SPHERE_MAP:
+ if (coord == GL_S || coord == GL_T)
+ bit = TEXGEN_SPHERE_MAP;
+ break;
+ case GL_REFLECTION_MAP_NV:
+ if (coord != GL_Q)
+ bit = TEXGEN_REFLECTION_MAP_NV;
+ break;
+ case GL_NORMAL_MAP_NV:
+ if (coord != GL_Q)
+ bit = TEXGEN_NORMAL_MAP_NV;
+ break;
+ default:
+ ; /* nop */
+ }
+ if (!bit) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
+ return;
+ }
+ if (ctx->API != API_OPENGL_COMPAT
+ && (bit & (TEXGEN_REFLECTION_MAP_NV | TEXGEN_NORMAL_MAP_NV)) == 0) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
+ return;
+ }
+
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ texgen->Mode = mode;
+ texgen->_ModeBit = bit;
+ }
+ break;
+
+ case GL_OBJECT_PLANE:
+ {
+ if (ctx->API != API_OPENGL_COMPAT) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
+ return;
+ }
+ if (TEST_EQ_4V(texgen->ObjectPlane, params))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ COPY_4FV(texgen->ObjectPlane, params);
+ }
+ break;
+
+ case GL_EYE_PLANE:
+ {
+ GLfloat tmp[4];
+
+ if (ctx->API != API_OPENGL_COMPAT) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(param)" );
+ return;
+ }
+
+ /* Transform plane equation by the inverse modelview matrix */
+ if (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) {
+ _math_matrix_analyse(ctx->ModelviewMatrixStack.Top);
+ }
+ _mesa_transform_vector(tmp, params,
+ ctx->ModelviewMatrixStack.Top->inv);
+ if (TEST_EQ_4V(texgen->EyePlane, tmp))
+ return;
+ FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+ COPY_4FV(texgen->EyePlane, tmp);
+ }
+ break;
+
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGenfv(pname)" );
+ return;
}
if (ctx->Driver.TexGen)
void GLAPIENTRY
_mesa_TexGend(GLenum coord, GLenum pname, GLdouble param )
{
- GLfloat p = (GLfloat) param;
- _mesa_TexGenfv( coord, pname, &p );
+ GLfloat p[4];
+ p[0] = (GLfloat) param;
+ p[1] = p[2] = p[3] = 0.0F;
+ _mesa_TexGenfv( coord, pname, p );
+}
+
+
+void GLAPIENTRY
+_es_GetTexGenfv(GLenum coord, GLenum pname, GLfloat *params)
+{
+ _mesa_GetTexGenfv(GL_S, pname, params);
+}
+
+
+void GLAPIENTRY
+_es_TexGenf(GLenum coord, GLenum pname, GLfloat param)
+{
+ if (coord != GL_TEXTURE_GEN_STR_OES) {
+ GET_CURRENT_CONTEXT(ctx);
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGen[fx](pname)" );
+ return;
+ }
+ /* set S, T, and R at the same time */
+ _mesa_TexGenf(GL_S, pname, param);
+ _mesa_TexGenf(GL_T, pname, param);
+ _mesa_TexGenf(GL_R, pname, param);
+}
+
+
+void GLAPIENTRY
+_es_TexGenfv(GLenum coord, GLenum pname, const GLfloat *params)
+{
+ if (coord != GL_TEXTURE_GEN_STR_OES) {
+ GET_CURRENT_CONTEXT(ctx);
+ _mesa_error( ctx, GL_INVALID_ENUM, "glTexGen[fx]v(pname)" );
+ return;
+ }
+ /* set S, T, and R at the same time */
+ _mesa_TexGenfv(GL_S, pname, params);
+ _mesa_TexGenfv(GL_T, pname, params);
+ _mesa_TexGenfv(GL_R, pname, params);
}
void GLAPIENTRY
_mesa_TexGenf( GLenum coord, GLenum pname, GLfloat param )
{
- _mesa_TexGenfv(coord, pname, ¶m);
+ GLfloat p[4];
+ p[0] = param;
+ p[1] = p[2] = p[3] = 0.0F;
+ _mesa_TexGenfv(coord, pname, p);
}
void GLAPIENTRY
_mesa_TexGeni( GLenum coord, GLenum pname, GLint param )
{
- _mesa_TexGeniv( coord, pname, ¶m );
+ GLint p[4];
+ p[0] = param;
+ p[1] = p[2] = p[3] = 0;
+ _mesa_TexGeniv( coord, pname, p );
}
void GLAPIENTRY
_mesa_GetTexGendv( GLenum coord, GLenum pname, GLdouble *params )
{
- const struct gl_texture_unit *texUnit;
+ struct gl_texture_unit *texUnit;
+ struct gl_texgen *texgen;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexGendv(current unit)");
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = _mesa_get_current_tex_unit(ctx);
- 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 {
- _mesa_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 {
- _mesa_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 {
- _mesa_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 {
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
- return;
- }
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(coord)" );
- return;
+ texgen = get_texgen(ctx, texUnit, coord);
+ if (!texgen) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexGendv(coord)");
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_GEN_MODE:
+ params[0] = ENUM_TO_DOUBLE(texgen->Mode);
+ break;
+ case GL_OBJECT_PLANE:
+ COPY_4V(params, texgen->ObjectPlane);
+ break;
+ case GL_EYE_PLANE:
+ COPY_4V(params, texgen->EyePlane);
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGendv(pname)" );
}
}
void GLAPIENTRY
_mesa_GetTexGenfv( GLenum coord, GLenum pname, GLfloat *params )
{
- const struct gl_texture_unit *texUnit;
+ struct gl_texture_unit *texUnit;
+ struct gl_texgen *texgen;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexGenfv(current unit)");
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = _mesa_get_current_tex_unit(ctx);
- 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 {
- _mesa_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 {
- _mesa_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 {
- _mesa_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 {
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
- return;
- }
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(coord)" );
- return;
+ texgen = get_texgen(ctx, texUnit, coord);
+ if (!texgen) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexGenfv(coord)");
+ return;
+ }
+
+ switch (pname) {
+ case GL_TEXTURE_GEN_MODE:
+ params[0] = ENUM_TO_FLOAT(texgen->Mode);
+ break;
+ case GL_OBJECT_PLANE:
+ if (ctx->API != API_OPENGL_COMPAT) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(param)" );
+ return;
+ }
+ COPY_4V(params, texgen->ObjectPlane);
+ break;
+ case GL_EYE_PLANE:
+ if (ctx->API != API_OPENGL_COMPAT) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(param)" );
+ return;
+ }
+ COPY_4V(params, texgen->EyePlane);
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGenfv(pname)" );
}
}
void GLAPIENTRY
_mesa_GetTexGeniv( GLenum coord, GLenum pname, GLint *params )
{
- const struct gl_texture_unit *texUnit;
+ struct gl_texture_unit *texUnit;
+ struct gl_texgen *texgen;
GET_CURRENT_CONTEXT(ctx);
- ASSERT_OUTSIDE_BEGIN_END(ctx);
if (ctx->Texture.CurrentUnit >= ctx->Const.MaxTextureCoordUnits) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glGetTexGeniv(current unit)");
return;
}
- texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+ texUnit = _mesa_get_current_tex_unit(ctx);
- 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 {
- _mesa_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 {
- _mesa_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 {
- _mesa_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 {
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
- return;
- }
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(coord)" );
- return;
+ texgen = get_texgen(ctx, texUnit, coord);
+ if (!texgen) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glGetTexGeniv(coord)");
+ return;
}
-}
-
+ switch (pname) {
+ case GL_TEXTURE_GEN_MODE:
+ params[0] = texgen->Mode;
+ break;
+ case GL_OBJECT_PLANE:
+ if (ctx->API != API_OPENGL_COMPAT) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(param)" );
+ return;
+ }
+ params[0] = (GLint) texgen->ObjectPlane[0];
+ params[1] = (GLint) texgen->ObjectPlane[1];
+ params[2] = (GLint) texgen->ObjectPlane[2];
+ params[3] = (GLint) texgen->ObjectPlane[3];
+ break;
+ case GL_EYE_PLANE:
+ if (ctx->API != API_OPENGL_COMPAT) {
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(param)" );
+ return;
+ }
+ params[0] = (GLint) texgen->EyePlane[0];
+ params[1] = (GLint) texgen->EyePlane[1];
+ params[2] = (GLint) texgen->EyePlane[2];
+ params[3] = (GLint) texgen->EyePlane[3];
+ break;
+ default:
+ _mesa_error( ctx, GL_INVALID_ENUM, "glGetTexGeniv(pname)" );
+ }
+}