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implemented vertex program point size control

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This commit is contained in:
Brian Paul
2002-01-06 20:39:03 +00:00
parent 363049160d
commit 571a1ac6ee
6 changed files with 28 additions and 15 deletions
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15
src/mesa/tnl/t_vb_program.c
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@@ -1,4 +1,4 @@
/* $Id: t_vb_program.c,v 1.7 2002/01/06 03:54:12 brianp Exp $ */
/* $Id: t_vb_program.c,v 1.8 2002/01/06 20:39:20 brianp Exp $ */
/*
* Mesa 3-D graphics library
@@ -141,10 +141,17 @@ static GLboolean run_vp( GLcontext *ctx, struct gl_pipeline_stage *stage )
struct vp_stage_data *store = VP_STAGE_DATA(stage);
struct vertex_buffer *VB = &tnl->vb;
struct vp_machine *machine = &(ctx->VertexProgram.Machine);
struct vp_program *program = ctx->VertexProgram.Current;
GLint i;
_mesa_init_tracked_matrices(ctx);
_mesa_init_vp_registers(ctx); /* init temp and result regs */
/* XXX if GL_FOG is enabled but the program doesn't write to the
* o[FOGC] register, set the fog result to 1.0
*/
/* XXX if GL_VERTEX_PROGRAM_POINT_SIZE_NV is enabled but the program
* doesn't write the PSIZ variable then use ctx->Point.Size
*/
for (i = 0; i < VB->Count; i++) {
GLuint attr;
@@ -176,8 +183,8 @@ static GLboolean run_vp( GLcontext *ctx, struct gl_pipeline_stage *stage )
}
/* execute the program */
ASSERT(ctx->VertexProgram.Current);
_mesa_exec_program(ctx, ctx->VertexProgram.Current);
ASSERT(program);
_mesa_exec_program(ctx, program);
#if 0
printf("Output %d: %f, %f, %f, %f\n", i,
@@ -190,6 +197,8 @@ static GLboolean run_vp( GLcontext *ctx, struct gl_pipeline_stage *stage )
machine->Registers[VP_OUT_COL0][1],
machine->Registers[VP_OUT_COL0][2],
machine->Registers[VP_OUT_COL0][3]);
printf("PointSize[%d]: %g\n", i,
machine->Registers[VP_OUTPUT_REG_START + VERT_RESULT_PSIZ][0]);
#endif
/* copy the output registers into the VB->attribs arrays */