Mesa (master): mesa: added _mesa_[Get]TexParameterI[u]iv() functions

[Brian Paul]

Module: Mesa
Branch: master
Commit: 7836a96657eeb1b1a924d582bbf9db5b1692fadc
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=7836a96657eeb1b1a924d582bbf9db5b1692fadc

Author: Brian Paul <brianp at vmware.com>
Date:   Mon Jan  4 20:00:00 2010 -0700

mesa: added _mesa_[Get]TexParameterI[u]iv() functions

New in GL 3.0.  Primarily meant for setting int/uint-valued texture
border color.  Not plugged into dispatch table yet.

---

 src/mesa/main/texparam.c |  117 +++++++++++++++++++++++++++++++++++++++++++++-
 src/mesa/main/texparam.h |   12 +++++
 2 files changed, 128 insertions(+), 1 deletions(-)

diff --git a/src/mesa/main/texparam.c b/src/mesa/main/texparam.c
index 474b950..d917e21 100644
--- a/src/mesa/main/texparam.c
+++ b/src/mesa/main/texparam.c
@@ -511,7 +511,10 @@ set_tex_parameterf(GLcontext *ctx,
 
    case GL_TEXTURE_BORDER_COLOR:
       flush(ctx, texObj);
-      COPY_4V(texObj->BorderColor.f, params);
+      texObj->BorderColor.f[RCOMP] = params[0];
+      texObj->BorderColor.f[GCOMP] = params[1];
+      texObj->BorderColor.f[BCOMP] = params[2];
+      texObj->BorderColor.f[ACOMP] = params[3];
       return GL_TRUE;
 
    default:
@@ -728,6 +731,68 @@ _mesa_TexParameteriv(GLenum target, GLenum pname, const GLint *params)
 }
 
 
+/**
+ * Set tex parameter to integer value(s).  Primarily intended to set
+ * integer-valued texture border color (for integer-valued textures).
+ * New in GL 3.0.
+ */
+void GLAPIENTRY
+_mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   texObj = get_texobj(ctx, target, GL_FALSE);
+   if (!texObj)
+      return;
+
+   switch (pname) {
+   case GL_TEXTURE_BORDER_COLOR:
+      FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+      /* set the integer-valued border color */
+      COPY_4V(texObj->BorderColor.i, params);
+      break;
+   default:
+      _mesa_TexParameteriv(target, pname, params);
+      break;
+   }
+   /* XXX no driver hook for TexParameterIiv() yet */
+}
+
+
+/**
+ * Set tex parameter to unsigned integer value(s).  Primarily intended to set
+ * uint-valued texture border color (for integer-valued textures).
+ * New in GL 3.0
+ */
+void GLAPIENTRY
+_mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   texObj = get_texobj(ctx, target, GL_FALSE);
+   if (!texObj)
+      return;
+
+   switch (pname) {
+   case GL_TEXTURE_BORDER_COLOR:
+      FLUSH_VERTICES(ctx, _NEW_TEXTURE);
+      /* set the unsigned integer-valued border color */
+      COPY_4V(texObj->BorderColor.ui, params);
+      break;
+   default:
+      _mesa_TexParameteriv(target, pname, (const GLint *) params);
+      break;
+   }
+   /* XXX no driver hook for TexParameterIuiv() yet */
+}
+
+
+
+
 void GLAPIENTRY
 _mesa_GetTexLevelParameterfv( GLenum target, GLint level,
                               GLenum pname, GLfloat *params )
@@ -1294,3 +1359,53 @@ _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params )
 
    _mesa_unlock_texture(ctx, obj);
 }
+
+
+/** New in GL 3.0 */
+void GLAPIENTRY
+_mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   texObj = get_texobj(ctx, target, GL_TRUE);
+   
+   switch (pname) {
+   case GL_TEXTURE_BORDER_COLOR:
+      COPY_4V(params, texObj->BorderColor.i);
+      break;
+   default:
+      _mesa_GetTexParameteriv(target, pname, params);
+   }
+}
+
+
+/** New in GL 3.0 */
+void GLAPIENTRY
+_mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params)
+{
+   struct gl_texture_object *texObj;
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   texObj = get_texobj(ctx, target, GL_TRUE);
+   
+   switch (pname) {
+   case GL_TEXTURE_BORDER_COLOR:
+      COPY_4V(params, texObj->BorderColor.i);
+      break;
+   default:
+      {
+         GLint ip[4];
+         _mesa_GetTexParameteriv(target, pname, ip);
+         params[0] = ip[0];
+         if (pname == GL_TEXTURE_SWIZZLE_RGBA_EXT || 
+             pname == GL_TEXTURE_CROP_RECT_OES) {
+            params[1] = ip[1];
+            params[2] = ip[2];
+            params[3] = ip[3];
+         }
+      }
+   }
+}
diff --git a/src/mesa/main/texparam.h b/src/mesa/main/texparam.h
index 454b963..19b4116 100644
--- a/src/mesa/main/texparam.h
+++ b/src/mesa/main/texparam.h
@@ -44,6 +44,11 @@ _mesa_GetTexParameterfv( GLenum target, GLenum pname, GLfloat *params );
 extern void GLAPIENTRY
 _mesa_GetTexParameteriv( GLenum target, GLenum pname, GLint *params );
 
+extern void GLAPIENTRY
+_mesa_GetTexParameterIiv(GLenum target, GLenum pname, GLint *params);
+
+extern void GLAPIENTRY
+_mesa_GetTexParameterIuiv(GLenum target, GLenum pname, GLuint *params);
 
 
 extern void GLAPIENTRY
@@ -60,4 +65,11 @@ extern void GLAPIENTRY
 _mesa_TexParameteriv( GLenum target, GLenum pname, const GLint *params );
 
 
+extern void GLAPIENTRY
+_mesa_TexParameterIiv(GLenum target, GLenum pname, const GLint *params);
+
+extern void GLAPIENTRY
+_mesa_TexParameterIuiv(GLenum target, GLenum pname, const GLuint *params);
+
+
 #endif /* TEXPARAM_H */