From 5f60a0b50ada1865d4fc6a724366e8ea0cc9a72f Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 6 Sep 2002 02:56:08 +0000
Subject: GL_EXT_stencil_two_side extension, not 100% complete yet.

---
 src/mesa/main/mtypes.h | 42 +++++++++++++++++++++++++++++++++---------
 1 file changed, 33 insertions(+), 9 deletions(-)

(limited to 'src/mesa/main/mtypes.h')

diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 6f33ae6658..9934996886 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1,4 +1,4 @@
-/* $Id: mtypes.h,v 1.84 2002/07/09 01:22:50 brianp Exp $ */
+/* $Id: mtypes.h,v 1.85 2002/09/06 02:56:09 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -311,7 +311,11 @@ struct gl_accum_attrib {
 
 struct gl_colorbuffer_attrib {
    GLuint ClearIndex;			/* Index to use for glClear */
+#if 1
    GLchan ClearColor[4];		/* Color to use for glClear */
+#else
+   GLclampf ClearColor[4];		/* Color to use for glClear */
+#endif
 
    GLuint IndexMask;			/* Color index write mask */
    GLubyte ColorMask[4];		/* Each flag is 0xff or 0x0 */
@@ -323,7 +327,11 @@ struct gl_colorbuffer_attrib {
    /* alpha testing */
    GLboolean AlphaEnabled;		/* Alpha test enabled flag */
    GLenum AlphaFunc;			/* Alpha test function */
+#if 1
    GLchan AlphaRef;			/* Alpha ref value as GLchan */
+#else
+   GLclampf AlphaRef;
+#endif
 
    /* blending */
    GLboolean BlendEnabled;		/* Blending enabled flag */
@@ -708,14 +716,16 @@ struct gl_scissor_attrib {
 
 struct gl_stencil_attrib {
    GLboolean Enabled;		/* Enabled flag */
-   GLenum Function;		/* Stencil function */
-   GLenum FailFunc;		/* Fail function */
-   GLenum ZPassFunc;		/* Depth buffer pass function */
-   GLenum ZFailFunc;		/* Depth buffer fail function */
-   GLstencil Ref;		/* Reference value */
-   GLstencil ValueMask;		/* Value mask */
+   GLboolean TestTwoSide;	/* GL_EXT_stencil_two_side */
+   GLubyte ActiveFace;		/* GL_EXT_stencil_two_side (0 or 1) */
+   GLenum Function[2];		/* Stencil function */
+   GLenum FailFunc[2];		/* Fail function */
+   GLenum ZPassFunc[2];		/* Depth buffer pass function */
+   GLenum ZFailFunc[2];		/* Depth buffer fail function */
+   GLstencil Ref[2];		/* Reference value */
+   GLstencil ValueMask[2];	/* Value mask */
+   GLstencil WriteMask[2];	/* Write mask */
    GLstencil Clear;		/* Clear value */
-   GLstencil WriteMask;		/* Write mask */
 };
 
 
@@ -861,7 +871,10 @@ struct gl_texture_object {
    GLenum Target;               /* GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
    GLfloat Priority;		/* in [0,1] */
    GLfloat BorderValues[4];     /* unclamped */
+#if 1
+   /* omit someday */
    GLchan BorderColor[4];       /* clamped, as GLchan */
+#endif
    GLenum WrapS;		/* Wrap modes are: GL_CLAMP, REPEAT */
    GLenum WrapT;		/*   GL_CLAMP_TO_EDGE, and          */
    GLenum WrapR;		/*   GL_CLAMP_TO_BORDER_ARB         */
@@ -874,7 +887,11 @@ struct gl_texture_object {
    GLfloat MaxAnisotropy;	/* GL_EXT_texture_filter_anisotropic */
    GLboolean CompareFlag;	/* GL_SGIX_shadow */
    GLenum CompareOperator;	/* GL_SGIX_shadow */
+#if 1
    GLchan ShadowAmbient;	/* GL_SGIX/ARB_shadow_ambient */
+#else
+   GLfloat ShadowAmbient;
+#endif
    GLenum CompareMode;		/* GL_ARB_shadow */
    GLenum CompareFunc;		/* GL_ARB_shadow */
    GLenum DepthMode;		/* GL_ARB_depth_texture */
@@ -1310,11 +1327,17 @@ struct gl_frame_buffer {
    GLaccum *Accum;		/* array [4*Width*Height] of GLaccum values */
 
    /* Software alpha planes */
+#if 1
    GLchan *FrontLeftAlpha;	/* array [Width*Height] of GLubyte */
    GLchan *BackLeftAlpha;	/* array [Width*Height] of GLubyte */
    GLchan *FrontRightAlpha;	/* array [Width*Height] of GLubyte */
    GLchan *BackRightAlpha;	/* array [Width*Height] of GLubyte */
-
+#else
+   GLvoid *FrontLeftAlpha;	/* array [Width*Height] of GLubyte */
+   GLvoid *BackLeftAlpha;	/* array [Width*Height] of GLubyte */
+   GLvoid *FrontRightAlpha;	/* array [Width*Height] of GLubyte */
+   GLvoid *BackRightAlpha;	/* array [Width*Height] of GLubyte */
+#endif
    /* Drawing bounds: intersection of window size and scissor box */
    GLint _Xmin, _Ymin;  /* inclusive */
    GLint _Xmax, _Ymax;  /* exclusive */
@@ -1395,6 +1418,7 @@ struct gl_extensions {
    GLboolean EXT_secondary_color;
    GLboolean EXT_shared_texture_palette;
    GLboolean EXT_stencil_wrap;
+   GLboolean EXT_stencil_two_side;
    GLboolean EXT_texture3D;
    GLboolean EXT_texture_compression_s3tc;
    GLboolean EXT_texture_env_add;
-- 
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