diff options
| author | Nicolai Hähnle <[email protected]> | 2009-09-21 13:26:50 +0200 |
|---|---|---|
| committer | Nicolai Hähnle <[email protected]> | 2009-09-21 13:26:50 +0200 |
| commit | 81c7561d9d3faf70ac22c6a5f3fbea18f53eed92 (patch) | |
| tree | 5ec097e0e1fe99804104d3a56923c16edf1533aa /src/mesa/drivers/dri/r300/r300_vertprog.c | |
| parent | f02f63997ce65530788a6dfcb28f11790a14d938 (diff) | |
| parent | 3083ba38f4c884b32cd0460607b5064b6b7008d2 (diff) | |
Merge branch 'master' into r300-compiler
There were additional non-textual conflicts.
Conflicts:
src/gallium/drivers/r300/r300_tgsi_to_rc.c
src/mesa/drivers/dri/r300/compiler/r3xx_vertprog.c
src/mesa/drivers/dri/r300/compiler/radeon_program.c
src/mesa/drivers/dri/r300/compiler/radeon_program_alu.c
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_vertprog.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_vertprog.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_vertprog.c b/src/mesa/drivers/dri/r300/r300_vertprog.c index d5e2cf9b14d..8ad75fb5c06 100644 --- a/src/mesa/drivers/dri/r300/r300_vertprog.c +++ b/src/mesa/drivers/dri/r300/r300_vertprog.c @@ -203,6 +203,34 @@ static void t_inputs_outputs(struct r300_vertex_program_compiler * c) } } +/** + * The NV_vertex_program spec mandates that all registers be + * initialized to zero. We do this here unconditionally. + * + * \note We rely on dead-code elimination in the compiler. + */ +static void initialize_NV_registers(struct radeon_compiler * compiler) +{ + unsigned int reg; + struct rc_instruction * inst; + + for(reg = 0; reg < 12; ++reg) { + inst = rc_insert_new_instruction(compiler, &compiler->Program.Instructions); + inst->I.Opcode = RC_OPCODE_MOV; + inst->I.DstReg.File = RC_FILE_TEMPORARY; + inst->I.DstReg.Index = reg; + inst->I.SrcReg[0].File = RC_FILE_NONE; + inst->I.SrcReg[0].Swizzle = RC_SWIZZLE_0000; + } + + inst = rc_insert_new_instruction(compiler, &compiler->Program.Instructions); + inst->I.Opcode = RC_OPCODE_ARL; + inst->I.DstReg.File = RC_FILE_ADDRESS; + inst->I.DstReg.Index = 0; + inst->I.DstReg.WriteMask = WRITEMASK_X; + inst->I.SrcReg[0].File = RC_FILE_NONE; + inst->I.SrcReg[0].Swizzle = RC_SWIZZLE_0000; +} static struct r300_vertex_program *build_program(GLcontext *ctx, struct r300_vertex_program_key *wanted_key, @@ -234,6 +262,9 @@ static struct r300_vertex_program *build_program(GLcontext *ctx, radeon_mesa_to_rc_program(&compiler.Base, &vp->Base->Base); + if (mesa_vp->IsNVProgram) + initialize_NV_registers(&compiler.Base); + rc_move_output(&compiler.Base, VERT_RESULT_PSIZ, VERT_RESULT_PSIZ, WRITEMASK_X); if (vp->key.WPosAttr != FRAG_ATTRIB_MAX) { |