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authorKeith Whitwell <keith@tungstengraphics.com>2005-05-10 18:10:00 +0000
committerKeith Whitwell <keith@tungstengraphics.com>2005-05-10 18:10:00 +0000
commit5a5b4436cb71575884f76bc079156f77e30d72a7 (patch)
tree4048a51eb00599dd13461440f9f11723bd7872d0 /src
parent3ffe8731e6cc07692be5ba1114d080bd4383477c (diff)
Improved detection of program changes.
Diffstat (limited to 'src')
-rw-r--r--src/mesa/tnl/t_vp_build.c52
1 files changed, 32 insertions, 20 deletions
diff --git a/src/mesa/tnl/t_vp_build.c b/src/mesa/tnl/t_vp_build.c
index 04af02e4917..c8caecc79ba 100644
--- a/src/mesa/tnl/t_vp_build.c
+++ b/src/mesa/tnl/t_vp_build.c
@@ -1091,25 +1091,41 @@ static void build_passthrough( struct tnl_program *p, GLuint inputs )
}
+static GLboolean programs_eq( struct vertex_program *a,
+ struct vertex_program *b )
+{
+ if (!a || !b)
+ return GL_FALSE;
+
+ if (a->Base.NumInstructions != b->Base.NumInstructions ||
+ a->Parameters->NumParameters != b->Parameters->NumParameters)
+ return GL_FALSE;
+
+ if (memcmp(a->Instructions, b->Instructions,
+ a->Base.NumInstructions * sizeof(struct vp_instruction)) != 0)
+ return GL_FALSE;
+
+ if (memcmp(a->Parameters->Parameters, b->Parameters->Parameters,
+ a->Parameters->NumParameters *
+ sizeof(struct program_parameter)) != 0)
+ return GL_FALSE;
+
+ return GL_TRUE;
+}
+
void _tnl_UpdateFixedFunctionProgram( GLcontext *ctx )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct tnl_program p;
- GLuint db_NumInstructions;
- struct vp_instruction *db_Instructions;
if (ctx->VertexProgram._Enabled)
return;
- if (!ctx->_TnlProgram)
- ctx->_TnlProgram = (struct vertex_program *)
- ctx->Driver.NewProgram(ctx, GL_VERTEX_PROGRAM_ARB, 0);
memset(&p, 0, sizeof(p));
p.ctx = ctx;
- p.program = ctx->_TnlProgram;
-
+ p.program = (struct vertex_program *)ctx->Driver.NewProgram(ctx, GL_VERTEX_PROGRAM_ARB, 0);
p.eye_position = undef;
p.eye_position_normalized = undef;
p.eye_normal = undef;
@@ -1117,10 +1133,6 @@ void _tnl_UpdateFixedFunctionProgram( GLcontext *ctx )
p.temp_flag = 0;
p.temp_reserved = ~((1<<MAX_NV_VERTEX_PROGRAM_TEMPS)-1);
-
- db_Instructions = p.program->Instructions;
- db_NumInstructions = p.program->Base.NumInstructions;
-
p.program->Instructions = MALLOC(sizeof(struct vp_instruction) * 100);
/* Initialize the arb_program struct */
@@ -1179,14 +1191,14 @@ void _tnl_UpdateFixedFunctionProgram( GLcontext *ctx )
/* Notify driver the fragment program has (actually) changed.
*/
- if (db_Instructions == NULL ||
- db_NumInstructions != p.program->Base.NumInstructions ||
- memcmp(db_Instructions, p.program->Instructions,
- db_NumInstructions * sizeof(*db_Instructions)) != 0) {
- _mesa_printf("new program string\n");
- ctx->Driver.ProgramStringNotify( ctx, GL_VERTEX_PROGRAM_ARB,
- &p.program->Base );
+ if (!programs_eq(ctx->_TnlProgram, p.program) != 0) {
+ if (ctx->_TnlProgram)
+ ctx->Driver.DeleteProgram( ctx, &ctx->_TnlProgram->Base );
+ ctx->_TnlProgram = p.program;
+ }
+ else if (p.program) {
+ /* Nothing changed...
+ */
+ ctx->Driver.DeleteProgram( ctx, &p.program->Base );
}
-
- FREE(db_Instructions);
}