alias ProgramEnvParameter4xyARB and ProgramParameter4xyNV (bug #12935)

these should be the same functions (as per spec).

cherry-picked from master (86a4810b09097714942bf2b889e6c62357bba931)

3 files changed, 26 insertions, 84 deletions

diff --git a/src/mesa/shader/arbprogram.c b/src/mesa/shader/arbprogram.c
index ee75be315e..1656dc9450 100644
--- a/src/mesa/shader/arbprogram.c
+++ b/src/mesa/shader/arbprogram.c
@@ -247,6 +247,12 @@ _mesa_ProgramStringARB(GLenum target, GLenum format, GLsizei len,
 }
 
 
+/**
+ * Set a program env parameter register.
+ * \note Called from the GL API dispatcher.
+ * Note, this function is also used by the GL_NV_vertex_program extension
+ * (alias to ProgramParameterdNV)
+ */
 void GLAPIENTRY
 _mesa_ProgramEnvParameter4dARB(GLenum target, GLuint index,
                                GLdouble x, GLdouble y, GLdouble z, GLdouble w)
@@ -256,6 +262,12 @@ _mesa_ProgramEnvParameter4dARB(GLenum target, GLuint index,
 }
 
 
+/**
+ * Set a program env parameter register.
+ * \note Called from the GL API dispatcher.
+ * Note, this function is also used by the GL_NV_vertex_program extension
+ * (alias to ProgramParameterdvNV)
+ */
 void GLAPIENTRY
 _mesa_ProgramEnvParameter4dvARB(GLenum target, GLuint index,
                                 const GLdouble *params)
@@ -266,6 +278,12 @@ _mesa_ProgramEnvParameter4dvARB(GLenum target, GLuint index,
 }
 
 
+/**
+ * Set a program env parameter register.
+ * \note Called from the GL API dispatcher.
+ * Note, this function is also used by the GL_NV_vertex_program extension
+ * (alias to ProgramParameterfNV)
+ */
 void GLAPIENTRY
 _mesa_ProgramEnvParameter4fARB(GLenum target, GLuint index,
                                GLfloat x, GLfloat y, GLfloat z, GLfloat w)
@@ -283,8 +301,8 @@ _mesa_ProgramEnvParameter4fARB(GLenum target, GLuint index,
       }
       ASSIGN_4V(ctx->FragmentProgram.Parameters[index], x, y, z, w);
    }
-   else if (target == GL_VERTEX_PROGRAM_ARB
-       && ctx->Extensions.ARB_vertex_program) {
+   else if (target == GL_VERTEX_PROGRAM_ARB /* == GL_VERTEX_PROGRAM_NV */
+       && (ctx->Extensions.ARB_vertex_program || ctx->Extensions.NV_vertex_program)) {
       if (index >= ctx->Const.VertexProgram.MaxEnvParams) {
          _mesa_error(ctx, GL_INVALID_VALUE, "glProgramEnvParameter(index)");
          return;
@@ -297,7 +315,12 @@ _mesa_ProgramEnvParameter4fARB(GLenum target, GLuint index,
    }
 }
 
-
+/**
+ * Set a program env parameter register.
+ * \note Called from the GL API dispatcher.
+ * Note, this function is also used by the GL_NV_vertex_program extension
+ * (alias to ProgramParameterfvNV)
+ */
 void GLAPIENTRY
 _mesa_ProgramEnvParameter4fvARB(GLenum target, GLuint index,
                                    const GLfloat *params)
diff --git a/src/mesa/shader/nvprogram.c b/src/mesa/shader/nvprogram.c
index 337784bfe2..409c61cdc1 100644
--- a/src/mesa/shader/nvprogram.c
+++ b/src/mesa/shader/nvprogram.c
@@ -576,75 +576,6 @@ _mesa_LoadProgramNV(GLenum target, GLuint id, GLsizei len,
 
 
 /**
- * Set a program parameter register.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_ProgramParameter4dNV(GLenum target, GLuint index,
-                           GLdouble x, GLdouble y, GLdouble z, GLdouble w)
-{
-   _mesa_ProgramParameter4fNV(target, index, 
-		   	      (GLfloat)x, (GLfloat)y, (GLfloat)z, (GLfloat)w);
-}
-
-
-/**
- * Set a program parameter register.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_ProgramParameter4dvNV(GLenum target, GLuint index,
-                            const GLdouble *params)
-{
-   _mesa_ProgramParameter4fNV(target, index,
-                              (GLfloat)params[0], (GLfloat)params[1], 
-			      (GLfloat)params[2], (GLfloat)params[3]);
-}
-
-
-/**
- * Set a program parameter register.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_ProgramParameter4fNV(GLenum target, GLuint index,
-                           GLfloat x, GLfloat y, GLfloat z, GLfloat w)
-{
-   GET_CURRENT_CONTEXT(ctx);
-   ASSERT_OUTSIDE_BEGIN_END(ctx);
-
-   if (target == GL_VERTEX_PROGRAM_NV && ctx->Extensions.NV_vertex_program) {
-      if (index < MAX_NV_VERTEX_PROGRAM_PARAMS) {
-         FLUSH_VERTICES(ctx, _NEW_PROGRAM);
-         ASSIGN_4V(ctx->VertexProgram.Parameters[index], x, y, z, w);
-      }
-      else {
-         _mesa_error(ctx, GL_INVALID_VALUE, "glProgramParameterNV(index)");
-         return;
-      }
-   }
-   else {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glProgramParameterNV");
-      return;
-   }
-}
-
-
-/**
- * Set a program parameter register.
- * \note Called from the GL API dispatcher.
- */
-void GLAPIENTRY
-_mesa_ProgramParameter4fvNV(GLenum target, GLuint index,
-                            const GLfloat *params)
-{
-   _mesa_ProgramParameter4fNV(target, index,
-                              params[0], params[1], params[2], params[3]);
-}
-
-
-
-/**
  * Set a sequence of program parameter registers.
  * \note Called from the GL API dispatcher.
  */
diff --git a/src/mesa/shader/nvprogram.h b/src/mesa/shader/nvprogram.h
index dcea7727e0..bfac165b5e 100644
--- a/src/mesa/shader/nvprogram.h
+++ b/src/mesa/shader/nvprogram.h
@@ -70,18 +70,6 @@ extern void GLAPIENTRY
 _mesa_LoadProgramNV(GLenum target, GLuint id, GLsizei len, const GLubyte *program);
 
 extern void GLAPIENTRY
-_mesa_ProgramParameter4dNV(GLenum target, GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w);
-
-extern void GLAPIENTRY
-_mesa_ProgramParameter4dvNV(GLenum target, GLuint index, const GLdouble *params);
-
-extern void GLAPIENTRY
-_mesa_ProgramParameter4fNV(GLenum target, GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
-
-extern void GLAPIENTRY
-_mesa_ProgramParameter4fvNV(GLenum target, GLuint index, const GLfloat *params);
-
-extern void GLAPIENTRY
 _mesa_ProgramParameters4dvNV(GLenum target, GLuint index, GLuint num, const GLdouble *params);
 
 extern void GLAPIENTRY