Some groundwork for GL_ARB_vertex/fragment_program.

1 files changed, 601 insertions, 0 deletions

diff --git a/src/mesa/main/arbprogram.c b/src/mesa/main/arbprogram.c
new file mode 100644
index 00000000000..54df8183b5c
--- /dev/null
+++ b/src/mesa/main/arbprogram.c
@@ -0,0 +1,601 @@
+/*
+ * Mesa 3-D graphics library
+ * Version:  5.1
+ *
+ * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * \file arbprogram.c
+ * \brief ARB_vertex/fragment_program state management functions.
+ * \author Brian Paul
+ */
+
+
+#include "glheader.h"
+#include "context.h"
+#include "hash.h"
+#include "imports.h"
+#include "macros.h"
+#include "mtypes.h"
+#include "arbprogram.h"
+
+
+
+void
+_mesa_VertexAttrib1sARB(GLuint index, GLshort x)
+{
+}
+
+void
+_mesa_VertexAttrib1fARB(GLuint index, GLfloat x)
+{
+}
+
+void
+_mesa_VertexAttrib1dARB(GLuint index, GLdouble x)
+{
+}
+
+void
+_mesa_VertexAttrib2sARB(GLuint index, GLshort x, GLshort y)
+{
+}
+
+void
+_mesa_VertexAttrib2fARB(GLuint index, GLfloat x, GLfloat y)
+{
+}
+
+void
+_mesa_VertexAttrib2dARB(GLuint index, GLdouble x, GLdouble y)
+{
+}
+
+void
+_mesa_VertexAttrib3sARB(GLuint index, GLshort x, GLshort y, GLshort z)
+{
+}
+
+void
+_mesa_VertexAttrib3fARB(GLuint index, GLfloat x, GLfloat y, GLfloat z)
+{
+}
+
+void
+_mesa_VertexAttrib3dARB(GLuint index, GLdouble x, GLdouble y, GLdouble z)
+{
+}
+
+void
+_mesa_VertexAttrib4sARB(GLuint index, GLshort x, GLshort y, GLshort z, GLshort w)
+{
+}
+
+void
+_mesa_VertexAttrib4fARB(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+}
+
+void
+_mesa_VertexAttrib4dARB(GLuint index, GLdouble x, GLdouble y, GLdouble z, GLdouble w)
+{
+}
+
+void
+_mesa_VertexAttrib4NubARB(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w)
+{
+}
+
+void
+_mesa_VertexAttrib1svARB(GLuint index, const GLshort *v)
+{
+}
+
+void
+_mesa_VertexAttrib1fvARB(GLuint index, const GLfloat *v)
+{
+}
+
+void
+_mesa_VertexAttrib1dvARB(GLuint index, const GLdouble *v)
+{
+}
+
+void
+_mesa_VertexAttrib2svARB(GLuint index, const GLshort *v)
+{
+}
+
+void
+_mesa_VertexAttrib2fvARB(GLuint index, const GLfloat *v)
+{
+}
+
+void
+_mesa_VertexAttrib2dvARB(GLuint index, const GLdouble *v)
+{
+}
+
+void
+_mesa_VertexAttrib3svARB(GLuint index, const GLshort *v)
+{
+}
+
+void
+_mesa_VertexAttrib3fvARB(GLuint index, const GLfloat *v)
+{
+}
+
+void
+_mesa_VertexAttrib3dvARB(GLuint index, const GLdouble *v)
+{
+}
+
+void
+_mesa_VertexAttrib4bvARB(GLuint index, const GLbyte *v)
+{
+}
+
+void
+_mesa_VertexAttrib4svARB(GLuint index, const GLshort *v)
+{
+}
+
+void
+_mesa_VertexAttrib4ivARB(GLuint index, const GLint *v)
+{
+}
+
+void
+_mesa_VertexAttrib4ubvARB(GLuint index, const GLubyte *v)
+{
+}
+
+void
+_mesa_VertexAttrib4usvARB(GLuint index, const GLushort *v)
+{
+}
+
+void
+_mesa_VertexAttrib4uivARB(GLuint index, const GLuint *v)
+{
+}
+
+void
+_mesa_VertexAttrib4fvARB(GLuint index, const GLfloat *v)
+{
+}
+
+void
+_mesa_VertexAttrib4dvARB(GLuint index, const GLdouble *v)
+{
+}
+
+void
+_mesa_VertexAttrib4NbvARB(GLuint index, const GLbyte *v)
+{
+}
+
+void
+_mesa_VertexAttrib4NsvARB(GLuint index, const GLshort *v)
+{
+}
+
+void
+_mesa_VertexAttrib4NivARB(GLuint index, const GLint *v)
+{
+}
+
+void
+_mesa_VertexAttrib4NubvARB(GLuint index, const GLubyte *v)
+{
+}
+
+void
+_mesa_VertexAttrib4NusvARB(GLuint index, const GLushort *v)
+{
+}
+
+void
+_mesa_VertexAttrib4NuivARB(GLuint index, const GLuint *v)
+{
+}
+
+
+void
+_mesa_VertexAttribPointerARB(GLuint index, GLint size, GLenum type,
+                             GLboolean normalized, GLsizei stride,
+                             const GLvoid *pointer)
+{
+}
+
+
+void
+_mesa_EnableVertexAttribArrayARB(GLuint index)
+{
+}
+
+
+void
+_mesa_DisableVertexAttribArrayARB(GLuint index)
+{
+}
+
+
+void
+_mesa_GetVertexAttribdvARB(GLuint index, GLenum pname, GLdouble *params)
+{
+}
+
+
+void
+_mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params)
+{
+}
+
+
+void
+_mesa_GetVertexAttribivARB(GLuint index, GLenum pname, GLint *params)
+{
+}
+
+
+void
+_mesa_GetVertexAttribPointervARB(GLuint index, GLenum pname, GLvoid **pointer)
+{
+}
+
+
+void
+_mesa_ProgramStringARB(GLenum target, GLenum format, GLsizei len,
+                       const GLvoid *string)
+{
+}
+
+
+void
+_mesa_BindProgramARB(GLenum target, GLuint program)
+{
+}
+
+
+void
+_mesa_DeleteProgramsARB(GLsizei n, const GLuint *programs)
+{
+}
+
+
+void
+_mesa_GenProgramsARB(GLsizei n, GLuint *programs)
+{
+}
+
+
+void
+_mesa_ProgramEnvParameter4dARB(GLenum target, GLuint index,
+                               GLdouble x, GLdouble y, GLdouble z, GLdouble w)
+{
+}
+
+
+void
+_mesa_ProgramEnvParameter4dvARB(GLenum target, GLuint index,
+                                   const GLdouble *params)
+{
+}
+
+
+void
+_mesa_ProgramEnvParameter4fARB(GLenum target, GLuint index,
+                               GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+}
+
+
+void
+_mesa_ProgramEnvParameter4fvARB(GLenum target, GLuint index,
+                                   const GLfloat *params)
+{
+}
+
+
+#if 111
+
+void
+_mesa_ProgramLocalParameter4fARB(GLenum target, GLuint index,
+                                 GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   if (target == GL_FRAGMENT_PROGRAM_NV) {
+      struct fragment_program *fprog = ctx->FragmentProgram.Current;
+      if (!fprog) {
+         _mesa_error(ctx, GL_INVALID_ENUM, "glProgramLocalParameterARB");
+         return;
+      }
+      if (index >= MAX_NV_FRAGMENT_PROGRAM_PARAMS) {
+         _mesa_error(ctx, GL_INVALID_VALUE, "glProgramLocalParameterARB");
+         return;
+      }
+      fprog->Base.LocalParams[index][0] = x;
+      fprog->Base.LocalParams[index][1] = y;
+      fprog->Base.LocalParams[index][2] = z;
+      fprog->Base.LocalParams[index][3] = w;
+   }
+   else {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glProgramLocalParameterARB");
+      return;
+   }
+}
+
+
+void
+_mesa_ProgramLocalParameter4fvARB(GLenum target, GLuint index,
+                                  const GLfloat *params)
+{
+   glProgramLocalParameter4fARB(target, index, params[0], params[1],
+                                params[2], params[3]);
+}
+
+
+void
+_mesa_ProgramLocalParameter4dARB(GLenum target, GLuint index,
+                                 GLdouble x, GLdouble y,
+                                 GLdouble z, GLdouble w)
+{
+   glProgramLocalParameter4fARB(target, index, (GLfloat)x, (GLfloat)y, 
+		   			       (GLfloat)z, (GLfloat)w);
+}
+
+
+void
+_mesa_ProgramLocalParameter4dvARB(GLenum target, GLuint index,
+                                  const GLdouble *params)
+{
+   glProgramLocalParameter4fARB(target, index, (GLfloat)params[0], 
+		   		(GLfloat)params[1], (GLfloat)params[2],
+				(GLfloat)params[3]);
+}
+
+
+void
+_mesa_GetProgramLocalParameterfvARB(GLenum target, GLuint index,
+                                    GLfloat *params)
+{
+   struct program *prog;
+   GLuint maxParams;
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   if (target == GL_VERTEX_PROGRAM_ARB
+       && ctx->Extensions.ARB_vertex_program) {
+      prog = &(ctx->VertexProgram.Current->Base);
+      maxParams = ctx->Const.MaxVertexProgramParams;
+   }
+   else if ((target == GL_FRAGMENT_PROGRAM_ARB
+             && ctx->Extensions.ARB_fragment_program) ||
+            (target == GL_FRAGMENT_PROGRAM_NV
+             && ctx->Extensions.NV_fragment_program)) {
+      prog = &(ctx->FragmentProgram.Current->Base);
+      maxParams = ctx->Const.MaxFragmentProgramParams;
+   }
+   else {
+      _mesa_error(ctx, GL_INVALID_ENUM,
+                  "glGetProgramLocalParameterARB(target)");
+      return;
+   }
+
+   if (index >= maxParams) {
+      _mesa_error(ctx, GL_INVALID_VALUE,
+                  "glGetProgramLocalParameterARB(index)");
+      return;
+   }
+
+   ASSERT(prog);
+   params[0] = prog->LocalParams[index][0];
+   params[1] = prog->LocalParams[index][1];
+   params[2] = prog->LocalParams[index][2];
+   params[3] = prog->LocalParams[index][3];
+}
+
+
+void
+_mesa_GetProgramLocalParameterdvARB(GLenum target, GLuint index,
+                                    GLdouble *params)
+{
+   GLfloat floatParams[4];
+   glGetProgramLocalParameterfvARB(target, index, floatParams);
+   COPY_4V(params, floatParams);
+}
+
+#else
+
+
+void
+_mesa_ProgramLocalParameter4dARB(GLenum target, GLuint index,
+                                 GLdouble x, GLdouble y,
+                                 GLdouble z, GLdouble w)
+{
+}
+
+
+void
+_mesa_ProgramLocalParameter4dvARB(GLenum target, GLuint index,
+                                  const GLdouble *params)
+{
+}
+
+
+void
+_mesa_ProgramLocalParameter4fARB(GLenum target, GLuint index,
+                                 GLfloat x, GLfloat y, GLfloat z, GLfloat w)
+{
+}
+
+
+void
+_mesa_ProgramLocalParameter4fvARB(GLenum target, GLuint index,
+                                  const GLfloat *params)
+{
+}
+
+#endif
+
+void
+_mesa_GetProgramEnvParameterdvARB(GLenum target, GLuint index,
+                                  GLdouble *params)
+{
+}
+
+
+void
+_mesa_GetProgramEnvParameterfvARB(GLenum target, GLuint index, 
+                                  GLfloat *params)
+{
+}
+
+
+#if 000
+void
+_mesa_GetProgramLocalParameterdvARB(GLenum target, GLuint index,
+                                    GLdouble *params)
+{
+}
+
+
+void
+_mesa_GetProgramLocalParameterfvARB(GLenum target, GLuint index, 
+                                    GLfloat *params)
+{
+}
+#endif
+
+
+
+void
+_mesa_GetProgramivARB(GLenum target, GLenum pname, GLint *params)
+{
+   struct program *prog;
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   if (target == GL_VERTEX_PROGRAM_ARB) {
+      prog = &(ctx->VertexProgram.Current->Base);
+   }
+   else if (target == GL_FRAGMENT_PROGRAM_ARB) {
+      prog = &(ctx->FragmentProgram.Current->Base);
+   }
+   else {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(target)");
+      return;
+   }
+
+   ASSERT(prog);
+
+   switch (pname) {
+      case GL_PROGRAM_LENGTH_ARB:
+         *params = prog->String ? _mesa_strlen((char *) prog->String) : 0;
+         break;
+      case GL_PROGRAM_FORMAT_ARB:
+         *params = prog->Format;
+         break;
+      case GL_PROGRAM_BINDING_ARB:
+         *params = prog->Id;
+         break;
+      case GL_PROGRAM_INSTRUCTIONS_ARB:
+         *params = prog->NumInstructions;
+         break;
+      case GL_MAX_PROGRAM_INSTRUCTIONS_ARB:
+      case GL_PROGRAM_NATIVE_INSTRUCTIONS_ARB:
+      case GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB:
+      case GL_PROGRAM_TEMPORARIES_ARB:
+      case GL_MAX_PROGRAM_TEMPORARIES_ARB:
+      case GL_PROGRAM_NATIVE_TEMPORARIES_ARB:
+      case GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB:
+      case GL_PROGRAM_PARAMETERS_ARB:
+      case GL_MAX_PROGRAM_PARAMETERS_ARB:
+      case GL_PROGRAM_NATIVE_PARAMETERS_ARB:
+      case GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB:
+      case GL_PROGRAM_ATTRIBS_ARB:
+      case GL_MAX_PROGRAM_ATTRIBS_ARB:
+      case GL_PROGRAM_NATIVE_ATTRIBS_ARB:
+      case GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB:
+      case GL_PROGRAM_ADDRESS_REGISTERS_ARB:
+      case GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB:
+      case GL_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB:
+      case GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB:
+      case GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB:
+      case GL_MAX_PROGRAM_ENV_PARAMETERS_ARB:
+      case GL_PROGRAM_UNDER_NATIVE_LIMITS_ARB:
+         break;
+      default:
+         _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramivARB(pname)");
+         return;
+   }
+}
+
+
+void
+_mesa_GetProgramStringARB(GLenum target, GLenum pname, GLvoid *string)
+{
+   struct program *prog;
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END(ctx);
+
+   if (target == GL_VERTEX_PROGRAM_ARB) {
+      prog = &(ctx->VertexProgram.Current->Base);
+   }
+   else if (target == GL_FRAGMENT_PROGRAM_ARB) {
+      prog = &(ctx->FragmentProgram.Current->Base);
+   }
+   else {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringARB(target)");
+      return;
+   }
+
+   ASSERT(prog);
+
+   if (pname != GL_PROGRAM_STRING_ARB) {
+      _mesa_error(ctx, GL_INVALID_ENUM, "glGetProgramStringARB(pname)");
+      return;
+   }
+
+   MEMCPY(string, prog->String, _mesa_strlen((char *) prog->String));
+}
+
+
+GLboolean
+_mesa_IsProgramARB(GLuint program)
+{
+   struct program *prog;
+   GET_CURRENT_CONTEXT(ctx);
+   ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+
+   if (program == 0)
+      return GL_FALSE;
+
+   prog = (struct program *) _mesa_HashLookup(ctx->Shared->Programs, program);
+   if (prog && prog->Target)
+      return GL_TRUE;
+   else
+      return GL_FALSE;
+}