diff options
Diffstat (limited to 'src/mesa/tnl/t_vb_program.c')
| -rw-r--r-- | src/mesa/tnl/t_vb_program.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/mesa/tnl/t_vb_program.c b/src/mesa/tnl/t_vb_program.c index 94372bbafb..f5d8f7477a 100644 --- a/src/mesa/tnl/t_vb_program.c +++ b/src/mesa/tnl/t_vb_program.c @@ -220,7 +220,8 @@ _tnl_program_string(struct gl_context *ctx, GLenum target, struct gl_program *pr * Initialize virtual machine state prior to executing vertex program. */ static void -init_machine(struct gl_context *ctx, struct gl_program_machine *machine) +init_machine(struct gl_context *ctx, struct gl_program_machine *machine, + GLuint instID) { /* Input registers get initialized from the current vertex attribs */ memcpy(machine->VertAttribs, ctx->Current.Attrib, @@ -256,6 +257,8 @@ init_machine(struct gl_context *ctx, struct gl_program_machine *machine) machine->FetchTexelDeriv = NULL; /* not used by vertex programs */ machine->Samplers = ctx->VertexProgram._Current->Base.SamplerUnits; + + machine->SystemValues[SYSTEM_VALUE_INSTANCE_ID][0] = (GLfloat) instID; } @@ -341,7 +344,7 @@ run_vp( struct gl_context *ctx, struct tnl_pipeline_stage *stage ) for (i = 0; i < VB->Count; i++) { GLuint attr; - init_machine(ctx, machine); + init_machine(ctx, machine, tnl->CurInstance); #if 0 printf("Input %d: %f, %f, %f, %f\n", i, |