+
+ 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_E,
+ 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_E,
+ 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 =
+ mesa_vp->Base.NumTemporaries + (R200_VSF_MAX_TEMPS - 1 - u_temp_i);
+ }
+ if (u_temp_i < mesa_vp->Base.NumTemporaries) {
+ if (R200_DEBUG & DEBUG_FALLBACKS) {
+ fprintf(stderr, "Ran out of temps, num temps %d, us %d\n", mesa_vp->Base.NumTemporaries, u_temp_i);
+ }
+ return GL_FALSE;
+ }
+ u_temp_i = R200_VSF_MAX_TEMPS - 1;
+ if(o_inst - vp->instr >= R200_VSF_MAX_INST) {
+ mesa_vp->Base.NumNativeInstructions = 129;
+ if (R200_DEBUG & DEBUG_FALLBACKS) {
+ fprintf(stderr, "more than 128 native instructions\n");
+ }
+ return GL_FALSE;
+ }