diff options
author | Roland Scheidegger <rscheidegger@gmx.ch> | 2006-10-24 22:37:51 +0000 |
---|---|---|
committer | Roland Scheidegger <rscheidegger@gmx.ch> | 2006-10-24 22:37:51 +0000 |
commit | fc606f7db9072d4f40081aea8f92f1d4489a5115 (patch) | |
tree | 82b01e890ff3bd8ea96c7c92f688987b8e6b97ab /src/mesa/drivers/dri/r200/r200_vertprog.c | |
parent | e4298b94927f12c4710443ede1b50a325103ac72 (diff) |
fix (per-vertex) fog when using ARB_vp by incorporating fog factor computation into the vertex program (not yet fixed for swtnl). Simplify (and correct) the VTX_TCL_OUTPUT_VTXFMT handling when using vertex programs, turns out it's solely driven by the needs of the past-vertex stage of the pipeline, this should fix lockups with ill-specified applications using vertex programs (for instance applications enabling fog but not writing to fog coord output will now get (conformant) undefined results instead of lockups).
Diffstat (limited to 'src/mesa/drivers/dri/r200/r200_vertprog.c')
-rw-r--r-- | src/mesa/drivers/dri/r200/r200_vertprog.c | 150 |
1 files changed, 119 insertions, 31 deletions
diff --git a/src/mesa/drivers/dri/r200/r200_vertprog.c b/src/mesa/drivers/dri/r200/r200_vertprog.c index 366d242270..e5417db9b7 100644 --- a/src/mesa/drivers/dri/r200/r200_vertprog.c +++ b/src/mesa/drivers/dri/r200/r200_vertprog.c @@ -396,7 +396,7 @@ static unsigned long op_operands(enum prog_opcode opcode) * * \return GL_TRUE for success, GL_FALSE for failure. */ -static GLboolean r200_translate_vertex_program(struct r200_vertex_program *vp) +static GLboolean r200_translate_vertex_program(struct r200_vertex_program *vp, GLenum fogmode) { struct gl_vertex_program *mesa_vp = &vp->mesa_program; struct prog_instruction *vpi; @@ -405,9 +405,12 @@ static GLboolean r200_translate_vertex_program(struct r200_vertex_program *vp) unsigned long operands; int are_srcs_scalar; unsigned long hw_op; + int dofogfix = 0; + int fog_temp_i = 0; vp->native = GL_FALSE; vp->translated = GL_TRUE; + vp->fogmode = fogmode; if (mesa_vp->Base.NumInstructions == 0) return GL_FALSE; @@ -445,9 +448,12 @@ static GLboolean r200_translate_vertex_program(struct r200_vertex_program *vp) Smart enough to realize that it doesnt need it? */ int u_temp_i = R200_VSF_MAX_TEMPS - 1; struct prog_src_register src[3]; + struct prog_dst_register dst; /* FIXME: is changing the prog safe to do here? */ - if (mesa_vp->IsPositionInvariant) { + if (mesa_vp->IsPositionInvariant && + /* make sure we only do this once */ + !(mesa_vp->Base.OutputsWritten & (1 << VERT_RESULT_HPOS))) { struct gl_program_parameter_list *paramList; GLint tokens[6] = { STATE_MATRIX, STATE_MVP, 0, 0, 0, STATE_MATRIX }; @@ -537,6 +543,15 @@ static GLboolean r200_translate_vertex_program(struct r200_vertex_program *vp) //_mesa_print_program(&mesa_vp->Base); } + /* for fogc, can't change mesa_vp, as it would hose swtnl + maybe should just copy whole prog ? */ + if (mesa_vp->Base.OutputsWritten & VERT_RESULT_FOGC && !vp->fogpidx) { + struct gl_program_parameter_list *paramList; + GLint tokens[6] = { STATE_FOG_PARAMS, 0, 0, 0, 0, 0 }; + paramList = mesa_vp->Base.Parameters; + vp->fogpidx = _mesa_add_state_reference(paramList, tokens); + } + vp->pos_end = 0; mesa_vp->Base.NumNativeInstructions = 0; if (mesa_vp->Base.Parameters) @@ -582,7 +597,7 @@ static GLboolean r200_translate_vertex_program(struct r200_vertex_program *vp) } o_inst = vp->instr; - for(vpi = mesa_vp->Base.Instructions; vpi->Opcode != OPCODE_END; vpi++, o_inst++){ + for (vpi = mesa_vp->Base.Instructions; vpi->Opcode != OPCODE_END; vpi++, o_inst++){ operands = op_operands(vpi->Opcode); are_srcs_scalar = operands & SCALAR_FLAG; operands &= OP_MASK; @@ -672,6 +687,17 @@ static GLboolean r200_translate_vertex_program(struct r200_vertex_program *vp) } } + dst = vpi->DstReg; + if (dst.File == PROGRAM_OUTPUT && + dst.Index == VERT_RESULT_FOGC && + dst.WriteMask & WRITEMASK_X) { + fog_temp_i = u_temp_i; + dst.File = PROGRAM_TEMPORARY; + dst.Index = fog_temp_i; + dofogfix = 1; + u_temp_i--; + } + /* These ops need special handling. */ switch(vpi->Opcode){ case OPCODE_POW: @@ -679,8 +705,8 @@ static GLboolean r200_translate_vertex_program(struct r200_vertex_program *vp) So may need to insert additional instruction */ if ((src[0].File == src[1].File) && (src[0].Index == src[1].Index)) { - o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_POW, t_dst(&vpi->DstReg), - t_dst_mask(vpi->DstReg.WriteMask)); + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_POW, t_dst(&dst), + t_dst_mask(dst.WriteMask)); o_inst->src0 = MAKE_VSF_SOURCE(t_src_index(vp, &src[0]), t_swizzle(GET_SWZ(src[0].Swizzle, 0)), SWIZZLE_ZERO, @@ -708,8 +734,8 @@ static GLboolean r200_translate_vertex_program(struct r200_vertex_program *vp) o_inst->src2 = UNUSED_SRC_1; o_inst++; - o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_POW, t_dst(&vpi->DstReg), - t_dst_mask(vpi->DstReg.WriteMask)); + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_POW, t_dst(&dst), + t_dst_mask(dst.WriteMask)); o_inst->src0 = MAKE_VSF_SOURCE(u_temp_i, VSF_IN_COMPONENT_X, VSF_IN_COMPONENT_Y, @@ -725,8 +751,8 @@ static GLboolean r200_translate_vertex_program(struct r200_vertex_program *vp) case OPCODE_MOV://ADD RESULT 1.X Y Z W PARAM 0{} {X Y Z W} PARAM 0{} {ZERO ZERO ZERO ZERO} case OPCODE_SWZ: - o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_ADD, t_dst(&vpi->DstReg), - t_dst_mask(vpi->DstReg.WriteMask)); + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_ADD, t_dst(&dst), + t_dst_mask(dst.WriteMask)); o_inst->src0 = t_src(vp, &src[0]); o_inst->src1 = ZERO_SRC_0; o_inst->src2 = UNUSED_SRC_1; @@ -737,8 +763,8 @@ static GLboolean r200_translate_vertex_program(struct r200_vertex_program *vp) src[1].File == PROGRAM_TEMPORARY && src[2].File == PROGRAM_TEMPORARY) ? R200_VPI_OUT_OP_MAD_2 : R200_VPI_OUT_OP_MAD; - o_inst->op = MAKE_VSF_OP(hw_op, t_dst(&vpi->DstReg), - t_dst_mask(vpi->DstReg.WriteMask)); + o_inst->op = MAKE_VSF_OP(hw_op, t_dst(&dst), + t_dst_mask(dst.WriteMask)); o_inst->src0 = t_src(vp, &src[0]); #if 0 if ((o_inst - vp->instr) == 31) { @@ -763,8 +789,8 @@ else { goto next; case OPCODE_DP3://DOT RESULT 1.X Y Z W PARAM 0{} {X Y Z ZERO} PARAM 0{} {X Y Z ZERO} - o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_DOT, t_dst(&vpi->DstReg), - t_dst_mask(vpi->DstReg.WriteMask)); + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_DOT, t_dst(&dst), + t_dst_mask(dst.WriteMask)); o_inst->src0 = MAKE_VSF_SOURCE(t_src_index(vp, &src[0]), t_swizzle(GET_SWZ(src[0].Swizzle, 0)), @@ -786,8 +812,8 @@ else { goto next; case OPCODE_DPH://DOT RESULT 1.X Y Z W PARAM 0{} {X Y Z ONE} PARAM 0{} {X Y Z W} - o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_DOT, t_dst(&vpi->DstReg), - t_dst_mask(vpi->DstReg.WriteMask)); + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_DOT, t_dst(&dst), + t_dst_mask(dst.WriteMask)); o_inst->src0 = MAKE_VSF_SOURCE(t_src_index(vp, &src[0]), t_swizzle(GET_SWZ(src[0].Swizzle, 0)), @@ -801,8 +827,8 @@ else { goto next; case OPCODE_SUB://ADD RESULT 1.X Y Z W TMP 0{} {X Y Z W} PARAM 1{X Y Z W } {X Y Z W} neg Xneg Yneg Zneg W - o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_ADD, t_dst(&vpi->DstReg), - t_dst_mask(vpi->DstReg.WriteMask)); + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_ADD, t_dst(&dst), + t_dst_mask(dst.WriteMask)); o_inst->src0 = t_src(vp, &src[0]); o_inst->src1 = MAKE_VSF_SOURCE(t_src_index(vp, &src[1]), @@ -816,8 +842,8 @@ else { goto next; case OPCODE_ABS://MAX RESULT 1.X Y Z W PARAM 0{} {X Y Z W} PARAM 0{X Y Z W } {X Y Z W} neg Xneg Yneg Zneg W - o_inst->op=MAKE_VSF_OP(R200_VPI_OUT_OP_MAX, t_dst(&vpi->DstReg), - t_dst_mask(vpi->DstReg.WriteMask)); + o_inst->op=MAKE_VSF_OP(R200_VPI_OUT_OP_MAX, t_dst(&dst), + t_dst_mask(dst.WriteMask)); o_inst->src0=t_src(vp, &src[0]); o_inst->src1=MAKE_VSF_SOURCE(t_src_index(vp, &src[0]), @@ -836,15 +862,15 @@ else { o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_FRC, (u_temp_i << R200_VPI_OUT_REG_INDEX_SHIFT) | R200_VSF_OUT_CLASS_TMP, - t_dst_mask(vpi->DstReg.WriteMask)); + t_dst_mask(dst.WriteMask)); o_inst->src0 = t_src(vp, &src[0]); o_inst->src1 = UNUSED_SRC_0; o_inst->src2 = UNUSED_SRC_1; o_inst++; - o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_ADD, t_dst(&vpi->DstReg), - t_dst_mask(vpi->DstReg.WriteMask)); + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_ADD, t_dst(&dst), + t_dst_mask(dst.WriteMask)); o_inst->src0 = t_src(vp, &src[0]); o_inst->src1 = MAKE_VSF_SOURCE(u_temp_i, @@ -868,7 +894,7 @@ else { o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_MUL, (u_temp_i << R200_VPI_OUT_REG_INDEX_SHIFT) | R200_VSF_OUT_CLASS_TMP, - t_dst_mask(vpi->DstReg.WriteMask)); + t_dst_mask(dst.WriteMask)); o_inst->src0 = MAKE_VSF_SOURCE(t_src_index(vp, &src[0]), t_swizzle(GET_SWZ(src[0].Swizzle, 1)), // y @@ -890,8 +916,8 @@ else { o_inst++; u_temp_i--; - o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_MAD, t_dst(&vpi->DstReg), - t_dst_mask(vpi->DstReg.WriteMask)); + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_MAD, t_dst(&dst), + t_dst_mask(dst.WriteMask)); o_inst->src0 = MAKE_VSF_SOURCE(t_src_index(vp, &src[1]), t_swizzle(GET_SWZ(src[1].Swizzle, 1)), // y @@ -924,8 +950,8 @@ else { break; } - o_inst->op = MAKE_VSF_OP(t_opcode(vpi->Opcode), t_dst(&vpi->DstReg), - t_dst_mask(vpi->DstReg.WriteMask)); + o_inst->op = MAKE_VSF_OP(t_opcode(vpi->Opcode), t_dst(&dst), + t_dst_mask(dst.WriteMask)); if(are_srcs_scalar){ switch(operands){ @@ -979,6 +1005,67 @@ else { } } next: + + if (dofogfix) { + o_inst++; + if (vp->fogmode == GL_EXP) { + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_MUL, + (fog_temp_i << R200_VPI_OUT_REG_INDEX_SHIFT) | R200_VSF_OUT_CLASS_TMP, + VSF_FLAG_X); + o_inst->src0 = EASY_VSF_SOURCE(fog_temp_i, X, X, X, X, TMP, NONE); + o_inst->src1 = EASY_VSF_SOURCE(vp->fogpidx, X, X, X, X, PARAM, NONE); + o_inst->src2 = UNUSED_SRC_1; + o_inst++; + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_EXP_FOG, + R200_VSF_OUT_CLASS_RESULT_FOGC, + VSF_FLAG_X); + o_inst->src0 = EASY_VSF_SOURCE(fog_temp_i, X, X, X, X, TMP, ALL); + o_inst->src1 = UNUSED_SRC_0; + o_inst->src2 = UNUSED_SRC_1; + } + else if (vp->fogmode == GL_EXP2) { + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_MUL, + (fog_temp_i << R200_VPI_OUT_REG_INDEX_SHIFT) | R200_VSF_OUT_CLASS_TMP, + VSF_FLAG_X); + o_inst->src0 = EASY_VSF_SOURCE(fog_temp_i, X, X, X, X, TMP, NONE); + o_inst->src1 = EASY_VSF_SOURCE(vp->fogpidx, X, X, X, X, PARAM, NONE); + o_inst->src2 = UNUSED_SRC_1; + o_inst++; + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_MUL, + (fog_temp_i << R200_VPI_OUT_REG_INDEX_SHIFT) | R200_VSF_OUT_CLASS_TMP, + VSF_FLAG_X); + o_inst->src0 = EASY_VSF_SOURCE(fog_temp_i, X, X, X, X, TMP, NONE); + o_inst->src1 = EASY_VSF_SOURCE(fog_temp_i, X, X, X, X, TMP, NONE); + o_inst->src2 = UNUSED_SRC_1; + o_inst++; + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_EXP_FOG, + R200_VSF_OUT_CLASS_RESULT_FOGC, + VSF_FLAG_X); + o_inst->src0 = EASY_VSF_SOURCE(fog_temp_i, X, X, X, X, TMP, ALL); + o_inst->src1 = UNUSED_SRC_0; + o_inst->src2 = UNUSED_SRC_1; + } + else { /* fogmode == GL_LINEAR */ + /* could do that with single op (dot) if using params like + with fixed function pipeline fog */ + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_ADD, + (fog_temp_i << R200_VPI_OUT_REG_INDEX_SHIFT) | R200_VSF_OUT_CLASS_TMP, + VSF_FLAG_X); + o_inst->src0 = EASY_VSF_SOURCE(fog_temp_i, X, X, X, X, TMP, ALL); + o_inst->src1 = EASY_VSF_SOURCE(vp->fogpidx, Z, Z, Z, Z, PARAM, NONE); + o_inst->src2 = UNUSED_SRC_1; + o_inst++; + o_inst->op = MAKE_VSF_OP(R200_VPI_OUT_OP_MUL, + R200_VSF_OUT_CLASS_RESULT_FOGC, + VSF_FLAG_X); + o_inst->src0 = EASY_VSF_SOURCE(fog_temp_i, X, X, X, X, TMP, NONE); + o_inst->src1 = EASY_VSF_SOURCE(vp->fogpidx, W, W, W, W, PARAM, NONE); + o_inst->src2 = UNUSED_SRC_1; + + } + dofogfix = 0; + } + if (mesa_vp->Base.NumNativeTemporaries < (mesa_vp->Base.NumTemporaries + (R200_VSF_MAX_TEMPS - 1 - u_temp_i))) { mesa_vp->Base.NumNativeTemporaries = @@ -1019,9 +1106,9 @@ void r200SetupVertexProg( GLcontext *ctx ) { GLboolean fallback; GLint i; - if (!vp->translated) { + if (!vp->translated || (ctx->Fog.Enabled && ctx->Fog.Mode != vp->fogmode)) { rmesa->curr_vp_hw = NULL; - r200_translate_vertex_program(vp); + r200_translate_vertex_program(vp, ctx->Fog.Mode); } /* could optimize setting up vertex progs away for non-tcl hw */ fallback = !(vp->native && r200VertexProgUpdateParams(ctx, vp) && @@ -1142,8 +1229,9 @@ r200ProgramStringNotify(GLcontext *ctx, GLenum target, struct gl_program *prog) switch(target) { case GL_VERTEX_PROGRAM_ARB: vp->translated = GL_FALSE; + vp->fogpidx = 0; /* memset(&vp->translated, 0, sizeof(struct r200_vertex_program) - sizeof(struct gl_vertex_program));*/ - r200_translate_vertex_program(vp); + r200_translate_vertex_program(vp, ctx->Fog.Mode); rmesa->curr_vp_hw = NULL; break; } @@ -1160,7 +1248,7 @@ r200IsProgramNative(GLcontext *ctx, GLenum target, struct gl_program *prog) case GL_VERTEX_STATE_PROGRAM_NV: case GL_VERTEX_PROGRAM_ARB: if (!vp->translated) { - r200_translate_vertex_program(vp); + r200_translate_vertex_program(vp, ctx->Fog.Mode); } /* does not take parameters etc. into account */ return vp->native; |