void GLAPIENTRY
_mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
{
GLuint maxUnit;
GET_CURRENT_CONTEXT(ctx);
struct gl_texture_unit *texUnit;
ASSERT_OUTSIDE_BEGIN_END(ctx);
maxUnit = (target == GL_POINT_SPRITE_NV && pname == GL_COORD_REPLACE_NV)
? ctx->Const.MaxTextureCoordUnits : ctx->Const.MaxTextureImageUnits;
if (ctx->Texture.CurrentUnit >= maxUnit) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTexEnvfv(current unit)");
return;
}
texUnit = _mesa_get_current_tex_unit(ctx);
if (target == GL_TEXTURE_ENV) {
switch (pname) {
case GL_TEXTURE_ENV_MODE:
set_env_mode(ctx, texUnit, (GLenum) (GLint) param[0]);
break;
case GL_TEXTURE_ENV_COLOR:
set_env_color(ctx, texUnit, param);
break;
case GL_COMBINE_RGB:
case GL_COMBINE_ALPHA:
set_combiner_mode(ctx, texUnit, pname, (GLenum) (GLint) param[0]);
break;
case GL_SOURCE0_RGB:
case GL_SOURCE1_RGB:
case GL_SOURCE2_RGB:
case GL_SOURCE3_RGB_NV:
case GL_SOURCE0_ALPHA:
case GL_SOURCE1_ALPHA:
case GL_SOURCE2_ALPHA:
case GL_SOURCE3_ALPHA_NV:
set_combiner_source(ctx, texUnit, pname, (GLenum) (GLint) param[0]);
break;
case GL_OPERAND0_RGB:
case GL_OPERAND1_RGB:
case GL_OPERAND2_RGB:
case GL_OPERAND3_RGB_NV:
case GL_OPERAND0_ALPHA:
case GL_OPERAND1_ALPHA:
case GL_OPERAND2_ALPHA:
case GL_OPERAND3_ALPHA_NV:
set_combiner_operand(ctx, texUnit, pname, (GLenum) (GLint) param[0]);
break;
case GL_RGB_SCALE:
case GL_ALPHA_SCALE:
set_combiner_scale(ctx, texUnit, pname, param[0]);
break;
case GL_BUMP_TARGET_ATI:
if (!ctx->Extensions.ATI_envmap_bumpmap) {
_mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname=0x%x)", pname );
return;
}
if (((GLenum) (GLint) param[0] < GL_TEXTURE0) ||
((GLenum) (GLint) param[0] > GL_TEXTURE31)) {
/* spec doesn't say this but it seems logical */
_mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(param=0x%x)", (GLenum) (GLint) param[0]);
return;
}
if (!((1 << ((GLenum) (GLint) param[0] - GL_TEXTURE0)) & ctx->Const.SupportedBumpUnits)) {
_mesa_error( ctx, GL_INVALID_VALUE, "glTexEnv(param=0x%x)", (GLenum) (GLint) param[0]);
return;
}
else {
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->BumpTarget = (GLenum) (GLint) param[0];
}
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname)" );
return;
}
}
else if (target == GL_TEXTURE_FILTER_CONTROL_EXT) {
/* GL_EXT_texture_lod_bias */
if (!ctx->Extensions.EXT_texture_lod_bias) {
_mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)", target );
return;
}
if (pname == GL_TEXTURE_LOD_BIAS_EXT) {
if (texUnit->LodBias == param[0])
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->LodBias = param[0];
}
else {
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
return;
}
}
else if (target == GL_POINT_SPRITE_NV) {
/* GL_ARB_point_sprite / GL_NV_point_sprite */
if (!ctx->Extensions.NV_point_sprite
&& !ctx->Extensions.ARB_point_sprite) {
_mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)", target );
return;
}
if (pname == GL_COORD_REPLACE_NV) {
const GLenum value = (GLenum) param[0];
if (value == GL_TRUE || value == GL_FALSE) {
/* It's kind of weird to set point state via glTexEnv,
* but that's what the spec calls for.
*/
const GLboolean state = (GLboolean) value;
if (ctx->Point.CoordReplace[ctx->Texture.CurrentUnit] == state)
return;
FLUSH_VERTICES(ctx, _NEW_POINT);
ctx->Point.CoordReplace[ctx->Texture.CurrentUnit] = state;
}
else {
_mesa_error( ctx, GL_INVALID_VALUE, "glTexEnv(param=0x%x)", value);
return;
}
}
else {
_mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname=0x%x)", pname );
return;
}
}
else {
_mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)",target );
return;
}
if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))
_mesa_debug(ctx, "glTexEnv %s %s %.1f(%s) ...\n",
_mesa_lookup_enum_by_nr(target),
_mesa_lookup_enum_by_nr(pname),
*param,
_mesa_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 glTexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
{
const GLint iparam0 = (GLint) param[0];
struct gl_texture_unit *texUnit;
GLuint maxUnit;
GET_CURRENT_CONTEXT(ctx);
maxUnit = ctx->Const.MaxCombinedTextureImageUnits;
// maxUnit = (target == GL_POINT_SPRITE_NV && pname == GL_COORD_REPLACE_NV)
// ? ctx->Const.MaxTextureCoordUnits : ctx->Const.MaxCombinedTextureImageUnits;
if (ctx->Texture.CurrentUnit >= maxUnit) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glTexEnvfv(current unit)");
return;
}
texUnit = _mesa_get_current_tex_unit(ctx);
if (target == GL_TEXTURE_ENV) {
switch (pname) {
case GL_TEXTURE_ENV_MODE:
set_env_mode(ctx, texUnit, (GLenum) iparam0);
break;
case GL_TEXTURE_ENV_COLOR:
set_env_color(ctx, texUnit, param);
break;
case GL_COMBINE_RGB:
case GL_COMBINE_ALPHA:
set_combiner_mode(ctx, texUnit, pname, (GLenum) iparam0);
break;
case GL_SOURCE0_RGB:
case GL_SOURCE1_RGB:
case GL_SOURCE2_RGB:
// case GL_SOURCE3_RGB_NV:
case GL_SOURCE0_ALPHA:
case GL_SOURCE1_ALPHA:
case GL_SOURCE2_ALPHA:
// case GL_SOURCE3_ALPHA_NV:
set_combiner_source(ctx, texUnit, pname, (GLenum) iparam0);
break;
case GL_OPERAND0_RGB:
case GL_OPERAND1_RGB:
case GL_OPERAND2_RGB:
// case GL_OPERAND3_RGB_NV:
case GL_OPERAND0_ALPHA:
case GL_OPERAND1_ALPHA:
case GL_OPERAND2_ALPHA:
// case GL_OPERAND3_ALPHA_NV:
set_combiner_operand(ctx, texUnit, pname, (GLenum) iparam0);
break;
case GL_RGB_SCALE:
case GL_ALPHA_SCALE:
set_combiner_scale(ctx, texUnit, pname, param[0]);
break;
default:
_mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname)" );
return;
}
}
else if (target == GL_TEXTURE_FILTER_CONTROL) {
if (pname == GL_TEXTURE_LOD_BIAS) {
if (texUnit->LodBias == param[0])
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
texUnit->LodBias = param[0];
}
else {
TE_ERROR(GL_INVALID_ENUM, "glTexEnv(pname=%s)", pname);
return;
}
}
// else if (target == GL_POINT_SPRITE_NV) {
// /* GL_ARB_point_sprite / GL_NV_point_sprite */
// if (!ctx->Extensions.NV_point_sprite
// && !ctx->Extensions.ARB_point_sprite) {
// _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(target=0x%x)", target );
// return;
// }
// if (pname == GL_COORD_REPLACE_NV) {
// if (iparam0 == GL_TRUE || iparam0 == GL_FALSE) {
// /* It's kind of weird to set point state via glTexEnv,
// * but that's what the spec calls for.
// */
// const GLboolean state = (GLboolean) iparam0;
// if (ctx->Point.CoordReplace[ctx->Texture.CurrentUnit] == state)
// return;
// FLUSH_VERTICES(ctx, _NEW_POINT);
// ctx->Point.CoordReplace[ctx->Texture.CurrentUnit] = state;
// }
// else {
// _mesa_error( ctx, GL_INVALID_VALUE, "glTexEnv(param=0x%x)", iparam0);
// return;
// }
// }
// else {
// _mesa_error( ctx, GL_INVALID_ENUM, "glTexEnv(pname=0x%x)", pname );
// return;
// }
// }
else {
_mesa_error(ctx, GL_INVALID_ENUM, "glTexEnv(target=%s)",
_mesa_lookup_enum_by_nr(target));
return;
}
if (MESA_VERBOSE&(VERBOSE_API|VERBOSE_TEXTURE))
_mesa_debug(ctx, "glTexEnv %s %s %.1f(%s) ...\n",
_mesa_lookup_enum_by_nr(target),
_mesa_lookup_enum_by_nr(pname),
*param,
_mesa_lookup_enum_by_nr((GLenum) iparam0));
/* Tell device driver about the new texture environment */
if (ctx->Driver.TexEnv) {
(*ctx->Driver.TexEnv)( ctx, target, pname, param );
}
}
