diff options
| author | Andre Maasikas <[email protected]> | 2011-01-18 16:02:45 +0200 |
|---|---|---|
| committer | Andre Maasikas <[email protected]> | 2011-01-18 16:21:13 +0200 |
| commit | 52fbff2130b43625d208b121295477e619f0bbc6 (patch) | |
| tree | 8d0f5201797088f9eb10c554885be660f976079e | |
| parent | e4be665bbddcb6ddfd7b9b13f01152a97097b35c (diff) | |
r600c: use STATE_FB_WPOS_Y_TRANSFORM variable to do wpos transform
use introduced STATE_FB_WPOS_Y_TRANSFORM variable (thanks Marek)
this gets coords also right when using fbo
| -rw-r--r-- | src/mesa/drivers/dri/r600/r700_fragprog.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_fragprog.c b/src/mesa/drivers/dri/r600/r700_fragprog.c index 2a6a39dfbac..66cb9d62a60 100644 --- a/src/mesa/drivers/dri/r600/r700_fragprog.c +++ b/src/mesa/drivers/dri/r600/r700_fragprog.c @@ -47,13 +47,13 @@ void insert_wpos_code(struct gl_context *ctx, struct gl_fragment_program *fprog) { static const gl_state_index winstate[STATE_LENGTH] - = { STATE_INTERNAL, STATE_FB_SIZE, 0, 0, 0}; + = { STATE_INTERNAL, STATE_FB_WPOS_Y_TRANSFORM, 0, 0, 0}; struct prog_instruction *newInst, *inst; GLint win_size; /* state reference */ GLuint wpos_temp; /* temp register */ int i, j; - /* PARAM win_size = STATE_FB_SIZE */ + /* PARAM win_size = STATE_FB_WPOS_Y_TRANSFORM */ win_size = _mesa_add_state_reference(fprog->Base.Parameters, winstate); wpos_temp = fprog->Base.NumTemporaries++; @@ -74,9 +74,8 @@ void insert_wpos_code(struct gl_context *ctx, struct gl_fragment_program *fprog) _mesa_insert_instructions(&(fprog->Base), 0, 1); newInst = fprog->Base.Instructions; - /* invert wpos.y - * wpos_temp.xyzw = wpos.x-yzw + winsize.0y00 */ - newInst[0].Opcode = OPCODE_ADD; + /* possibly invert wpos.y depending on STATE_FB_WPOS_Y_TRANSFORM var */ + newInst[0].Opcode = OPCODE_MAD; newInst[0].DstReg.File = PROGRAM_TEMPORARY; newInst[0].DstReg.Index = wpos_temp; newInst[0].DstReg.WriteMask = WRITEMASK_XYZW; @@ -84,11 +83,14 @@ void insert_wpos_code(struct gl_context *ctx, struct gl_fragment_program *fprog) newInst[0].SrcReg[0].File = PROGRAM_INPUT; newInst[0].SrcReg[0].Index = FRAG_ATTRIB_WPOS; newInst[0].SrcReg[0].Swizzle = SWIZZLE_XYZW; - newInst[0].SrcReg[0].Negate = NEGATE_Y; newInst[0].SrcReg[1].File = PROGRAM_STATE_VAR; newInst[0].SrcReg[1].Index = win_size; - newInst[0].SrcReg[1].Swizzle = MAKE_SWIZZLE4(SWIZZLE_ZERO, SWIZZLE_Y, SWIZZLE_ZERO, SWIZZLE_ZERO); + newInst[0].SrcReg[1].Swizzle = MAKE_SWIZZLE4(SWIZZLE_ONE, SWIZZLE_X, SWIZZLE_ONE, SWIZZLE_ONE); + + newInst[0].SrcReg[2].File = PROGRAM_STATE_VAR; + newInst[0].SrcReg[2].Index = win_size; + newInst[0].SrcReg[2].Swizzle = MAKE_SWIZZLE4(SWIZZLE_ZERO, SWIZZLE_Y, SWIZZLE_ZERO, SWIZZLE_ZERO); } |