/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.2
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
#include "imports.h"
#include "macros.h"
#include "mtypes.h"
+#include "program.h"
void GLAPIENTRY
GET_CURRENT_CONTEXT(ctx);
ASSERT_OUTSIDE_BEGIN_END(ctx);
- if (index == 0 || index >= MAX_VERTEX_PROGRAM_ATTRIBS) {
+ if (index >= MAX_VERTEX_PROGRAM_ATTRIBS) {
_mesa_error(ctx, GL_INVALID_VALUE, "glGetVertexAttribfvARB(index)");
return;
}
params[0] = ctx->Array.ArrayObj->VertexAttrib[index].Normalized;
break;
case GL_CURRENT_VERTEX_ATTRIB_ARB:
+ if (index == 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "glGetVertexAttribfvARB(index==0)");
+ return;
+ }
FLUSH_CURRENT(ctx, 0);
COPY_4V(params, ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + index]);
break;
}
+/**
+ * Determine if id names a vertex or fragment program.
+ * \note Not compiled into display lists.
+ * \note Called from both glIsProgramNV and glIsProgramARB.
+ * \param id is the program identifier
+ * \return GL_TRUE if id is a program, else GL_FALSE.
+ */
+GLboolean GLAPIENTRY
+_mesa_IsProgramARB(GLuint id)
+{
+ struct gl_program *prog = NULL;
+ GET_CURRENT_CONTEXT(ctx);
+ ASSERT_OUTSIDE_BEGIN_END_WITH_RETVAL(ctx, GL_FALSE);
+
+ if (id == 0)
+ return GL_FALSE;
+
+ prog = _mesa_lookup_program(ctx, id);
+ if (prog && (prog != &_mesa_DummyProgram))
+ return GL_TRUE;
+ else
+ return GL_FALSE;
+}
+
+
void GLAPIENTRY
_mesa_ProgramStringARB(GLenum target, GLenum format, GLsizei len,
const GLvoid *string)
const struct gl_fragment_program *fp = ctx->FragmentProgram.Current;
switch (pname) {
case GL_PROGRAM_ALU_INSTRUCTIONS_ARB:
- *params = fp->NumNativeAluInstructions;
+ *params = fp->Base.NumNativeAluInstructions;
return;
case GL_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB:
- *params = fp->NumAluInstructions;
+ *params = fp->Base.NumAluInstructions;
return;
case GL_PROGRAM_TEX_INSTRUCTIONS_ARB:
- *params = fp->NumTexInstructions;
+ *params = fp->Base.NumTexInstructions;
return;
case GL_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB:
- *params = fp->NumNativeTexInstructions;
+ *params = fp->Base.NumNativeTexInstructions;
return;
case GL_PROGRAM_TEX_INDIRECTIONS_ARB:
- *params = fp->NumTexIndirections;
+ *params = fp->Base.NumTexIndirections;
return;
case GL_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB:
- *params = fp->NumNativeTexIndirections;
+ *params = fp->Base.NumNativeTexIndirections;
return;
case GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB:
*params = limits->MaxAluInstructions;
_mesa_GetProgramStringARB(GLenum target, GLenum pname, GLvoid *string)
{
const struct gl_program *prog;
+ char *dst = (char *) string;
GET_CURRENT_CONTEXT(ctx);
if (!ctx->_CurrentProgram)
return;
}
- _mesa_memcpy(string, prog->String, _mesa_strlen((char *) prog->String));
+ if (prog->String)
+ _mesa_memcpy(dst, prog->String, _mesa_strlen((char *) prog->String));
+ else
+ *dst = '\0';
}