diff options
| -rw-r--r-- | src/mesa/tnl/t_vb_program.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/src/mesa/tnl/t_vb_program.c b/src/mesa/tnl/t_vb_program.c index 5790bf79d2..0416766478 100644 --- a/src/mesa/tnl/t_vb_program.c +++ b/src/mesa/tnl/t_vb_program.c @@ -1,4 +1,4 @@ -/* $Id: t_vb_program.c,v 1.13 2002/06/23 02:40:48 brianp Exp $ */ +/* $Id: t_vb_program.c,v 1.14 2002/08/08 16:55:56 brianp Exp $ */ /* * Mesa 3-D graphics library @@ -152,14 +152,8 @@ static GLboolean run_vp( GLcontext *ctx, struct gl_pipeline_stage *stage ) struct vp_program *program = ctx->VertexProgram.Current; GLuint 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 - */ + _mesa_init_tracked_matrices(ctx); /* load registers with matrices */ + _mesa_init_vp_registers(ctx); /* init temp and result regs */ for (i = 0; i < VB->Count; i++) { GLuint attr; @@ -209,6 +203,7 @@ static GLboolean run_vp( GLcontext *ctx, struct gl_pipeline_stage *stage ) /* execute the program */ ASSERT(program); _mesa_exec_program(ctx, program); + #if 0 printf("Output %d: %f, %f, %f, %f\n", i, machine->Registers[VP_OUTPUT_REG_START + 0][0], @@ -224,6 +219,18 @@ static GLboolean run_vp( GLcontext *ctx, struct gl_pipeline_stage *stage ) machine->Registers[VP_OUTPUT_REG_START + VERT_RESULT_PSIZ][0]); #endif + /* Fixup fog an point size results if needed */ + if (ctx->Fog.Enabled && + (program->OutputsWritten & (1 << VERT_RESULT_FOGC)) == 0) { + machine->Registers[VP_OUTPUT_REG_START + VERT_RESULT_FOGC][0] = 1.0; + } + + if (ctx->VertexProgram.PointSizeEnabled && + (program->OutputsWritten & (1 << VERT_RESULT_PSIZ)) == 0) { + machine->Registers[VP_OUTPUT_REG_START + VERT_RESULT_PSIZ][0] + = ctx->Point.Size; + } + /* copy the output registers into the VB->attribs arrays */ /* XXX (optimize) could use a conditional and smaller loop limit here */ for (attr = 0; attr < 15; attr++) { |