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authorKeith Whitwell <[email protected]>2007-01-16 11:22:57 +0000
committerKeith Whitwell <[email protected]>2007-01-16 11:22:57 +0000
commit6a3fdc3a1ea6c306d9543791bf172dd1052d7382 (patch)
treec372c6daff13e435e79914c2e40dfe9d370c337b /src/mesa/shader/arbprogram.c
parent0b412f8f156b46b0e7220a2b61e0f41781769f66 (diff)
parenta03fc8277180e2171519165a724849e2254ef0b7 (diff)
Merge branch 'master' of git+ssh://[email protected]/git/mesa/mesa into vbo-0.2
Conflicts: src/mesa/array_cache/sources src/mesa/drivers/dri/i965/brw_context.c src/mesa/drivers/dri/i965/brw_draw.c src/mesa/drivers/dri/i965/brw_fallback.c src/mesa/drivers/dri/i965/brw_vs_emit.c src/mesa/drivers/dri/i965/brw_vs_tnl.c src/mesa/drivers/dri/mach64/mach64_context.c src/mesa/main/extensions.c src/mesa/main/getstring.c src/mesa/tnl/sources src/mesa/tnl/t_save_api.c src/mesa/tnl/t_save_playback.c src/mesa/tnl/t_vtx_api.c src/mesa/tnl/t_vtx_exec.c src/mesa/vbo/vbo_attrib.h src/mesa/vbo/vbo_exec_api.c src/mesa/vbo/vbo_save_api.c src/mesa/vbo/vbo_save_draw.c
Diffstat (limited to 'src/mesa/shader/arbprogram.c')
-rw-r--r--src/mesa/shader/arbprogram.c41
1 files changed, 38 insertions, 3 deletions
diff --git a/src/mesa/shader/arbprogram.c b/src/mesa/shader/arbprogram.c
index 89f2d20cc9a..bff80d7ee3a 100644
--- a/src/mesa/shader/arbprogram.c
+++ b/src/mesa/shader/arbprogram.c
@@ -1,6 +1,6 @@
/*
* Mesa 3-D graphics library
- * Version: 6.5
+ * Version: 6.5.2
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
@@ -36,6 +36,7 @@
#include "imports.h"
#include "macros.h"
#include "mtypes.h"
+#include "program.h"
void GLAPIENTRY
@@ -101,7 +102,7 @@ _mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params)
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;
}
@@ -123,6 +124,11 @@ _mesa_GetVertexAttribfvARB(GLuint index, GLenum pname, GLfloat *params)
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;
@@ -179,6 +185,31 @@ _mesa_GetVertexAttribPointervARB(GLuint index, GLenum pname, GLvoid **pointer)
}
+/**
+ * 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)
@@ -736,6 +767,7 @@ void GLAPIENTRY
_mesa_GetProgramStringARB(GLenum target, GLenum pname, GLvoid *string)
{
const struct gl_program *prog;
+ char *dst = (char *) string;
GET_CURRENT_CONTEXT(ctx);
if (!ctx->_CurrentProgram)
@@ -759,5 +791,8 @@ _mesa_GetProgramStringARB(GLenum target, GLenum pname, GLvoid *string)
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';
}