OpenHarmony/third_party_mesa3d
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added GL_ARB_texture_env_combine, GL_ARB_texture_env_dot3

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This commit is contained in:
Brian Paul
2001-03-22 04:54:58 +00:00
parent e9313a64c1
commit 1a59875367
4 changed files with 42 additions and 6 deletions
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16
src/mesa/main/texstate.c
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@@ -1,4 +1,4 @@
/* $Id: texstate.c,v 1.37 2001/03/18 08:53:50 gareth Exp $ */
/* $Id: texstate.c,v 1.38 2001/03/22 04:54:58 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -55,6 +55,14 @@
#endif
/* XXX this is temporary, until GL/glext.h is updated. */
#ifndef GL_DOT3_RGB_ARB
#define GL_DOT3_RGB_ARB 0x86AE
#endif
#ifndef GL_DOT3_RGBA_ARB
#define GL_DOT3_RGBA_ARB 0x86AF
#endif
/**********************************************************************/
@@ -127,6 +135,8 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
break;
case GL_DOT3_RGB_EXT:
case GL_DOT3_RGBA_EXT:
case GL_DOT3_RGB_ARB:
case GL_DOT3_RGBA_ARB:
if (!ctx->Extensions.EXT_texture_env_dot3) {
_mesa_error(ctx, GL_INVALID_ENUM, "glTexEnv(param)");
return;
@@ -272,7 +282,10 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
if (ctx->Extensions.EXT_texture_env_combine) {
GLenum operand = (GLenum) (GLint) *param;
switch (operand) {
case GL_SRC_COLOR: /* ARB combine only */
case GL_ONE_MINUS_SRC_COLOR: /* ARB combine only */
case GL_SRC_ALPHA:
case GL_ONE_MINUS_SRC_ALPHA: /* ARB combine only */
if (texUnit->CombineOperandRGB[2] == operand)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);
@@ -292,6 +305,7 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
GLenum operand = (GLenum) (GLint) *param;
switch (operand) {
case GL_SRC_ALPHA:
case GL_ONE_MINUS_SRC_ALPHA: /* ARB combine only */
if (texUnit->CombineOperandA[2] == operand)
return;
FLUSH_VERTICES(ctx, _NEW_TEXTURE);