diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/compiler/radeon_compiler.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/compiler/radeon_compiler.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c index c0e7a7f7a0..272f9072d4 100644 --- a/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c +++ b/src/mesa/drivers/dri/r300/compiler/radeon_compiler.c @@ -229,15 +229,20 @@ void rc_copy_output(struct radeon_compiler * c, unsigned output, unsigned dup_ou /** * Introduce standard code fragment to deal with fragment.position. */ -void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsigned new_input) +void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsigned new_input, + int full_vtransform) { unsigned tempregi = rc_find_free_temporary(c); + struct rc_instruction * inst_rcp; + struct rc_instruction * inst_mul; + struct rc_instruction * inst_mad; + struct rc_instruction * inst; c->Program.InputsRead &= ~(1 << wpos); c->Program.InputsRead |= 1 << new_input; /* perspective divide */ - struct rc_instruction * inst_rcp = rc_insert_new_instruction(c, &c->Program.Instructions); + inst_rcp = rc_insert_new_instruction(c, &c->Program.Instructions); inst_rcp->U.I.Opcode = RC_OPCODE_RCP; inst_rcp->U.I.DstReg.File = RC_FILE_TEMPORARY; @@ -248,7 +253,7 @@ void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsig inst_rcp->U.I.SrcReg[0].Index = new_input; inst_rcp->U.I.SrcReg[0].Swizzle = RC_SWIZZLE_WWWW; - struct rc_instruction * inst_mul = rc_insert_new_instruction(c, inst_rcp); + inst_mul = rc_insert_new_instruction(c, inst_rcp); inst_mul->U.I.Opcode = RC_OPCODE_MUL; inst_mul->U.I.DstReg.File = RC_FILE_TEMPORARY; @@ -263,7 +268,7 @@ void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsig inst_mul->U.I.SrcReg[1].Swizzle = RC_SWIZZLE_WWWW; /* viewport transformation */ - struct rc_instruction * inst_mad = rc_insert_new_instruction(c, inst_mul); + inst_mad = rc_insert_new_instruction(c, inst_mul); inst_mad->U.I.Opcode = RC_OPCODE_MAD; inst_mad->U.I.DstReg.File = RC_FILE_TEMPORARY; @@ -275,14 +280,19 @@ void rc_transform_fragment_wpos(struct radeon_compiler * c, unsigned wpos, unsig inst_mad->U.I.SrcReg[0].Swizzle = RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_ZERO); inst_mad->U.I.SrcReg[1].File = RC_FILE_CONSTANT; - inst_mad->U.I.SrcReg[1].Index = rc_constants_add_state(&c->Program.Constants, RC_STATE_R300_WINDOW_DIMENSION, 0); inst_mad->U.I.SrcReg[1].Swizzle = RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_ZERO); inst_mad->U.I.SrcReg[2].File = RC_FILE_CONSTANT; - inst_mad->U.I.SrcReg[2].Index = inst_mad->U.I.SrcReg[1].Index; inst_mad->U.I.SrcReg[2].Swizzle = RC_MAKE_SWIZZLE(RC_SWIZZLE_X, RC_SWIZZLE_Y, RC_SWIZZLE_Z, RC_SWIZZLE_ZERO); - struct rc_instruction * inst; + if (full_vtransform) { + inst_mad->U.I.SrcReg[1].Index = rc_constants_add_state(&c->Program.Constants, RC_STATE_R300_VIEWPORT_SCALE, 0); + inst_mad->U.I.SrcReg[2].Index = rc_constants_add_state(&c->Program.Constants, RC_STATE_R300_VIEWPORT_OFFSET, 0); + } else { + inst_mad->U.I.SrcReg[1].Index = + inst_mad->U.I.SrcReg[2].Index = rc_constants_add_state(&c->Program.Constants, RC_STATE_R300_WINDOW_DIMENSION, 0); + } + for (inst = inst_mad->Next; inst != &c->Program.Instructions; inst = inst->Next) { const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->U.I.Opcode); unsigned i; |