From: Ian Romanick <[email protected]>
Handle both NV vertex programs and NV vertex state programs passed to
glProgramStringARB.
---
src/mesa/shader/arbprogram.c | 24 +++++++++++++++++++++++-
1 files changed, 23 insertions(+), 1 deletions(-)
diff --git a/src/mesa/shader/arbprogram.c b/src/mesa/shader/arbprogram.c
index ca71a39..eb537cd 100644
--- a/src/mesa/shader/arbprogram.c
+++ b/src/mesa/shader/arbprogram.c
@@ -38,6 +38,7 @@
#include "arbprogram.h"
#include "arbprogparse.h"
#include "nvfragparse.h"
+#include "nvvertparse.h"
#include "program.h"
@@ -435,18 +436,39 @@ _mesa_ProgramStringARB(GLenum target, GLenum format,
GLsizei len,
FLUSH_VERTICES(ctx, _NEW_PROGRAM);
+ if (!ctx->Extensions.ARB_vertex_program
+ && !ctx->Extensions.ARB_fragment_program) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "glProgramStringARB()");
+ return;
+ }
+
if (format != GL_PROGRAM_FORMAT_ASCII_ARB) {
_mesa_error(ctx, GL_INVALID_ENUM, "glProgramStringARB(format)");
return;
}
+ /* The first couple cases are complicated. The same enum value is used for
+ * ARB and NV vertex programs. If the target is a vertex program, parse it
+ * using the ARB grammar if the string starts with "!!ARB" or if
+ * NV_vertex_program is not supported.
+ */
if (target == GL_VERTEX_PROGRAM_ARB
- && ctx->Extensions.ARB_vertex_program) {
+ && ctx->Extensions.ARB_vertex_program
+ && ((strncmp(string, "!!ARB", 5) == 0)
+ || !ctx->Extensions.NV_vertex_program)) {
struct gl_vertex_program *prog = ctx->VertexProgram.Current;
_mesa_parse_arb_vertex_program(ctx, target, string, len, prog);
base = & prog->Base;
}
+ else if ((target == GL_VERTEX_PROGRAM_ARB
+ || target == GL_VERTEX_STATE_PROGRAM_NV)
+ && ctx->Extensions.NV_vertex_program) {
+ struct gl_vertex_program *prog = ctx->VertexProgram.Current;
+ _mesa_parse_nv_vertex_program(ctx, target, string, len, prog);
+
+ base = & prog->Base;
+ }
else if (target == GL_FRAGMENT_PROGRAM_ARB
&& ctx->Extensions.ARB_fragment_program) {
struct gl_fragment_program *prog = ctx->FragmentProgram.Current;
--
1.6.5
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